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Leading science journalists provide a daily minute of commentary on some of the most interesting developments in the world of science. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American.
To view all of our archived podcasts please go to sciam.com/podcast
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Our brains focus on one speaker in a cacophony of voices based not only on the audio input we receive, but also on our listening goals. Sophie Bushwick reports
Datum: 23.04.2012 05:03 •
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As paper ages, oxidation changes molecules in cellulose so that they absorb some wavelengths of light and make the paper look yellow. Sophie Bushwick reports
Datum: 18.04.2012 00:24 •
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To relieve the annoying itch of insect bites, your best bet may be the simple application of ice to numb the bitten area and reduce inflammation. Cynthia Graber reports
Datum: 16.04.2012 23:14 •
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A study of traffic accidents on Friday the 13th found that there are some. Steve Mirsky reports
Datum: 13.04.2012 14:47 •
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Anxious men are especially good at detecting low concentrations of disagreeable scents, perhaps an evolutionary legacy of predator perception. Cynthia Graber reports
Datum: 13.04.2012 00:04 •
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Although higher temperatures can initially spur plant growth, the boost looks short-lived. Sophie Bushwick reports
Datum: 12.04.2012 04:56 •
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Some free apps use the majority of the energy they pull on tasks other than the app itself--such as uploading user info and downloading ads. Christopher Intagliata reports
Datum: 11.04.2012 00:36 •
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White-crowned sparrows in San Francisco are singing in a higher pitch than they did in 1969 to be heard over louder traffic. Christopher Intagliata reports
Datum: 10.04.2012 00:16 •
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In northern Ethiopia, hyenas must hunt more during Lent, when local Christians give up meat and provide fewer scraps to the scavengers. Cynthia Graber reports
Datum: 06.04.2012 09:00 •
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More effective learners send and receive text messages less frequently during class. Sophie Bushwick reports
Datum: 05.04.2012 22:45 •
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At a higher education and science policy roundtable in New York City, University of Colorado at Boulder chancellor Philip DiStefano talked about his institution's efforts to attract science majors to teaching K-12. Steve Mirsky reports
Datum: 04.04.2012 16:47 •
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Amr Mohamed's winning entry in the YouTube Space Lab contest will have jumping spiders hunt in zero-gravity on the International Space Station. Mariette DiChristina reports
Datum: 03.04.2012 17:59 •
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The dengue virus makes its mosquito hosts more bloodthirsty and quicker to find a blood meal, thus spreading the virus faster. Christopher Intagliata reports
Datum: 03.04.2012 01:41 •
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Middle school students in a reading improvement class liked using e-readers for a variety or reasons, and felt their reading improved as a result. Sophie Bushwick reports
Datum: 30.03.2012 04:38 •
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Natural compounds in the herb thyme were more effective against acne-causing bacteria in cultures than were conventional treatments. Cynthia Graber reports
Datum: 29.03.2012 01:25 •
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Kids who learned fractions through a music-based curriculum outperformed peers in traditional math classes. Sophie Bushwick reports
Datum: 27.03.2012 12:00 •
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Dogs and humans release natural painkillers after running, but ordinarily sedentary ferrets that run do not. The chemical compounds may be an adaptation to reward the necessary behavior in running species. Christopher Intagliata reports
Datum: 27.03.2012 01:55 •
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Mice with mismatched heart transplants that were exposed to classical music had much slower rejection rates than did mice exposed to other music and sounds. Sophie Bushwick reports
Datum: 24.03.2012 01:35 •
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A person holding a gun may be more likely to think they see a weapon being carried by another. Christopher Intagliata reports
Datum: 23.03.2012 03:53 •
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Tonal relationships that express emotions in classical South Indian music are similar to ones used in Western music, and both mimic vocalizations. Cynthia Graber reports
Datum: 22.03.2012 00:59 •
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The Meador Kansas Ellis Trail became the first certified sustainable road under the Greenroads rating system, in part because it contains recycled commodes. Sophie Bushwick reports
Datum: 21.03.2012 01:17 •
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A previously unknown species of leopard frog has been found in an urban range centered on Yankee Stadium in New York City. Christopher Intagliata reports
Datum: 20.03.2012 03:00 •
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Sexually frustrated fruit flies preferred alcohol-laced food more than their satisfied compatriots did. Cynthia Graber reports
Datum: 16.03.2012 16:32 •
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Quick bursts of green laser light can erase print, without damaging or discoloring the paper. Karen Hopkin reports
Datum: 16.03.2012 03:05 •
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Study subjects tended to pick the deeper-voiced candidate when they heard anonymous voices purported to be running for office. Karen Hopkin reports
Datum: 15.03.2012 03:50 •
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Adjusted for inflation and for the better mileage you probably now get, the cost to go a mile may be cheaper than it was three decades ago. Steve Mirsky reports
Datum: 14.03.2012 01:31 •
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Consuming more produce increases red and yellow colors in the skin of Caucasians, whom observers then rate as more attractive. Sophie Bushwick reports
Datum: 13.03.2012 01:17 •
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Words with more letters on the right side of a QWERTY keyboard are thought of more positively than are words primarily typed on the left side. Sophie Bushwick reports
Datum: 10.03.2012 03:40 •
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High-ranking chimps in a group break up scuffles and keep the peace. Karen Hopkin reports
Datum: 09.03.2012 00:27 •
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Self-healing hydrogels may find uses in industry, including better plastics, as well as in medicine, such as the treatment of stomach perforations and ulcers. Sophie Bushwick reports
Datum: 08.03.2012 01:36 •
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Researchers looking for life on exoplanets tried a proof-of-concept experiment by examining the light bouncing off Earth, via the moon. Cynthia Graber reports
Datum: 07.03.2012 01:34 •
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Many psoriasis patients have the same gene variants as people who are not significantly affected by an HIV-1 infection. Charles Q. Choi reports
Datum: 06.03.2012 01:02 •
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Every two years and two months Earth and Mars line up with the sun, giving us a relatively close view of the Red Planet. Cynthia Graber reports
Datum: 03.03.2012 02:14 •
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An economic analysis of the value of sharks for ecotourism alone finds that each individual is worth far more alive than dead for its fins. Steve Mirsky reports
Datum: 02.03.2012 00:38 •
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Join the more than 5,000 citizen scientists who are helping researchers identify the songs of individual whales. Mariette DiChristina reports
Datum: 29.02.2012 18:41 •
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A figure engraved in the bedrock of a Brazilian cave dates back at least 10,000 years. Cynthia Graber reports
Datum: 27.02.2012 21:00 •
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New drivers with more "g-force events," like quick turns and sudden braking, had more crashes and near hits. Amy Kraft reports
Datum: 24.02.2012 10:00 •
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Female gelada monkeys spontaneously abort 80 percent of pregnancies by a displaced male when a new male succeeds him. Sophie Bushwick reports
Datum: 23.02.2012 19:00 •
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Human oral contraceptives that find their way back into the environment might be having an effect on frog mating. Christopher Intagliata reports
Datum: 22.02.2012 19:07 •
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Nonsmokers have stable oral bacterial communities, but smokers' oral bacteria is transient, which opens up real estate for bad bugs. Christopher Intagliata reports
Datum: 21.02.2012 19:46 •
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The number of times a paper gets tweeted in the first three days after it's published may predict how often it will be officially cited. Steve Mirsky reports
Datum: 18.02.2012 01:24 •
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Fruit flies will purposely ingest alcohol to ward off parasitic wasps. Cynthia Graber reports
Datum: 16.02.2012 23:54 •
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Baby goats learn to bleat just like the kids they hang out with. Christopher Intagliata reports
Datum: 16.02.2012 00:08 •
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Those who rated their health negatively were more likely to have died 30 years later. Sophie Bushwick reports
Datum: 14.02.2012 23:46 •
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Based on the remains of a long-extinct bushcricket, researchers have reconstructed its call. Sophie Bushwick reports
Datum: 14.02.2012 01:34 •
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Scientists share the first-ever recordings of deep-sea species. Sarah Fecht reports
Datum: 11.02.2012 04:57 •
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Biting insects prefer a plain brown hide to the zebra's stripes, implying that the stripes are an anti-insect adaptation. Cynthia Graber reports
Datum: 09.02.2012 17:14 •
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When gas bubbles out of champagne, a higher concentration of carbon dioxide collects in a slim flute versus a wide coupe. Sophie Bushwick reports
Datum: 09.02.2012 00:17 •
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Pictures of green beans and carrots on cafeteria trays resulted in more kids eating more veggies. Cynthia Graber reports
Datum: 07.02.2012 23:48 •
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An ad right after a suspenseful game made a bigger impression on viewers than ads during the game. Christopher Intagliata reports
Datum: 03.02.2012 19:43 •
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Putting up signs can increase stair use versus elevator riding by more than 40 percent. Cynthia Graber reports
Datum: 02.02.2012 21:15 •
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Textured surfaces based on the patterns found on scorpion exoskeletons could help equipment avoid erosion damage. Sophie Bushwick reports
Datum: 02.02.2012 03:20 •
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Male orb web spiders will detach their sex organs and leave them in the female to become a father without becoming dinner. Katherine Harmon reports
Datum: 01.02.2012 00:11 •
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Materials scientists are developing edible packaging for processed foods. Cynthia Graber reports
Datum: 31.01.2012 00:56 •
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Tiny bubbles float algae to the water's surface for harvest and processing. Sophie Bushwick reports
Datum: 28.01.2012 00:47 •
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Employees rated supervisors who worked out as less abusive than their sedentary counterparts. Christopher Intagliata reports
Datum: 27.01.2012 02:25 •
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A person in a position of power will overestimate their height. Cynthia Graber reports
Datum: 25.01.2012 23:49 •
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DNA analysis revealed that 11 populations of blind cave fish did not all descend from a single blind ancestor, but had five separate evolutionary origins. Sophie Bushwick reports
Datum: 25.01.2012 00:43 •
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A very dilute alcohol solution doubles the life span of the ubiquitous lab organism C. elegans. Christopher Intagliata reports
Datum: 23.01.2012 15:50 •
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GRAIL A and B, the Gravity Recovery and Interior Laboratory lunar moon satellites, are now Ebb and Flow, courtesy of Montana students. Cynthia Graber reports
Datum: 21.01.2012 02:51 •
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Subjects randomly surveyed within view of a church gave more conservative responses than those surveyed within view of a secular school. Katherine Harmon reports
Datum: 20.01.2012 02:03 •
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Boa constrictors kept tightening their grips on dead rats with faked heartbeats for 20 minutes, but let go when the pulse stopped. Christopher Intagliata reports
Datum: 18.01.2012 19:32 •
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A chemical analysis found evidence of nicotine in a Mayan flask dating back to A.D. 700. Sophie Bushwick reports
Datum: 18.01.2012 00:37 •
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Researchers say a newly discovered species is the world's smallest frog--and more. Cynthia Graber reports
Datum: 13.01.2012 21:44 •
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Surface rock above a nuclear test will expand enough to be trackable by radar satellites. Christopher Intagliata reports
Datum: 13.01.2012 01:18 •
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Rather than increase fluid volume, salt's real role in high blood pressure may be to induce the nervous system to produce excess adrenalin. Steve Mirsky reports
Datum: 12.01.2012 03:38 •
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Jeanne Baret disguised herself as a man to do botanical fieldwork in the 18th century. She has has been honored with a namesake species. Cynthia Graber reports
Datum: 11.01.2012 00:29 •
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Analysis of social media and Internet news reports can enable researchers to track a disease outbreak faster than conventional medical notifications. Cynthia Graber reports
Datum: 09.01.2012 22:28 •
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When rocky planets form that have more carbon than does Earth, vast quantities of diamond may be a natural result. Karen Hopkin reports.
Datum: 15.12.2011 01:06 •
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Volunteers detected bedbugs more quickly on unshaven versus shaved arms. And the bugs took longer to find a feeding spot among the forest of hair. Christopher Intagliata reports
Datum: 13.12.2011 23:57 •
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2010 saw the lowest birth rate among teen girls since records started being kept 70 years ago. Cynthia Graber reports
Datum: 12.12.2011 23:23 •
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As time ran out on the latest international climate change negotiations, an agreement was reached that includes all significant countries in the effort to reduce greenhouse gases. David Biello reports
Datum: 11.12.2011 16:25 •
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An article in Physics World discusses how scientific instruments are being used to make state-of-the-art alcoholic beverages. Cynthia Graber reports
Datum: 09.12.2011 23:05 •
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An analysis of 10 years of PGA events found that if Tiger Woods was present, his intimidated opponents averaged almost a full stroke worse than they otherwise would have scored. Christopher Intagliata reports
Datum: 09.12.2011 04:00 •
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Species attempt to remain in their thermometric comfort zone, but climate change is far outpacing the rate at which they can adapt. Karen Hopkin reports
Datum: 08.12.2011 01:55 •
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Pro basketball players were much more likely to try another three-point shot after making one than after missing one. John Matson reports
Datum: 06.12.2011 17:36 •
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People who scored high on standard tests for creativity were also more likely to be willing to cheat for personal gain. Sophie Bushwick reports
Datum: 06.12.2011 01:42 •
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Slow-motion video and high-resolution imaging show that horseshoe bats can deform the shape of their outer ears for superior echolocation. Cynthia Graber reports
Datum: 03.12.2011 00:17 •
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A sophisticated air purification system protects The Last Supper from Milan's dirty air. Cynthia Graber reports
Datum: 02.12.2011 00:30 •
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Ever walk into the kitchen and forgot why you went there? Of course you have. Good news: it's the doorway's fault. Sophie Bushwick reports
Datum: 01.12.2011 00:25 •
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Elderly married people still having sex were happier in life and marriage than their celibate compatriots. Cynthia Graber reports
Datum: 29.11.2011 15:15 •
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Leaning to one side may affect your estimates about anything from the height of an object to the frequency of an event. Sophie Bushwick reports
Datum: 28.11.2011 15:53 •
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Safety tips for handling your bird from North Carolina State University food expert Ben Chapman. Steve Mirsky reports
Datum: 24.11.2011 08:00 •
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Forensic investigators tended to find more evidence supporting a guilty verdict following a confession, even if it was forced or coerced. Christopher Intagliata reports
Datum: 23.11.2011 11:48 •
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A British study found significantly higher drug experimentation among people who performed well on IQ tests as kids. Sophie Bushwick reports
Datum: 22.11.2011 17:18 •
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Male nursery web spiders lure mates with silk-wrapped offerings, only some of which contain tasty treats. Cynthia Graber reports
Datum: 21.11.2011 21:51 •
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Tears have much lower glucose levels than blood but, as the ratio is consistent, they could serve for diabetes glucose monitoring. Sophie Bushwick reports
Datum: 19.11.2011 16:05 •
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The Phobos-Grunt spacecraft is stuck in Earth orbit and has only until December to break free for Mars. John Matson reports
Datum: 17.11.2011 17:31 •
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Better design of supermarket fridge cases could save $100 million in electricity annually. Cynthia Graber reports
Datum: 16.11.2011 19:25 •
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Fever can play a variety of roles, such as inhibiting pathogen replication. It also apparently increases the population of killer T cells of the immune system. Christopher Intagliata reports
Datum: 16.11.2011 01:16 •
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The Wildlife of Your Home project seeks samples of your microscopic living companions. Cynthia Graber reports
Datum: 15.11.2011 03:33 •
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Subjects who thought their putter had been owned by a pro golfer putted better than others using the same putter without being told its pedigree. Amy Kraft reports
Datum: 13.11.2011 04:03 •
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Safe dragonfly larvae that could sense the presence of their predators had a higher mortality rate than unstressed larvae. Christopher Intagliata reports
Datum: 11.11.2011 23:16 •
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Mice gained more weight eating cooked food than raw food, indicating that preparing the food gives it a higher effective energy value. Sophie Bushwick reports
Datum: 10.11.2011 01:25 •
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A survey of science Nobels finds that the age at which winners do their work has been going up over the last century. Cynthia Graber reports
Datum: 08.11.2011 19:12 •
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Levels of a DNA repair protein naturally rise in the morning and fall later in the day, which may make exposure to UV safest early
Datum: 04.11.2011 23:42 •
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Birds have different clotting proteins than humans, which explains our better clotting in trauma, but their avoidance of certain cardiovascular problems. Karen Hopkin reports
Datum: 03.11.2011 21:20 •
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Most animal vocal cords are triangular, but the uniquely stretchable square cords of the big cats let them produce their amazingly loud roars. Rose Eveleth reports
Datum: 03.11.2011 00:54 •
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A doctoral student performed acoustic archaeology to determine how music could have been properly appreciated in a cavernous 16th-century church. Sarah Fecht reports
Datum: 01.11.2011 22:27 •
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Red-bellied piranhas make three distinctive sounds when communicating about how much they will mess each other up. Cynthia Graber reports
Datum: 01.11.2011 01:50 •
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Study subjects who expressed a preference for sweet over savory tastes also tended to be more agreeable. Karen Hopkin reports
Datum: 31.10.2011 04:37 •
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A study of the spread of West Nile virus across North America since its introduction in 1999 implicates robins as a key disease vector. Sophie Bushwick
Datum: 28.10.2011 01:45 •
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An iPhone app can enable the smart phone to tell what somebody is typing on a nearby computer keyboard. Christopher Intagliata reports
Datum: 27.10.2011 02:00 •
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A study by sixth graders found that children and adults can easily mistake some medications for sweets. Rose Eveleth reports
Datum: 26.10.2011 01:16 •
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Biologist Jeffrey Foster at the ScienceWriters2011 conference in Flagstaff on October 16 discussed the implications to humans of the bat die-off resulting from the fungal disease called white-nose syndrome. Steve Mirsky reports
Datum: 25.10.2011 01:14 •
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Microbiologist Paul Keim at the ScienceWriters2011 conference in Flagstaff on October 16 explained that sequencing a pathogen's genome has dropped in 10 years from $500,000 to as low as $10. Steve Mirsky reports
Datum: 22.10.2011 02:24 •
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Microbiologist Lance Price at the ScienceWriters2011 conference in Flagstaff on October 16 explained that modern animal production methods are virtually designed to create antibiotic resistant bacteria. Steve Mirsky reports
Datum: 20.10.2011 20:33 •
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Theoretical physicist Sean Carroll at the ScienceWriters2011 conference in Flagstaff on October 17 explained why we need not sample the moon to know it's not made of cheese. Steve Mirsky reports
Datum: 19.10.2011 20:32 •
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Harvard psychologist Steven Pinker talked about the thesis of his new book, The Better Angels of Our Nature: Why Violence Has Declined, at the ScienceWriters2011 conference in Flagstaff on October 17. Steve Mirsky reports
Datum: 18.10.2011 22:08 •
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A new study suggests that women on the pill are happy with their man's practical credentials, but are not necessarily swooning between the sheets. Christopher Intagliata reports
Datum: 14.10.2011 15:00 •
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Archeologists have discovered a paint production studio in an ancient South African cave
Datum: 13.10.2011 19:00 •
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Male crickets who guarded their mates against predators gained mating opportunities and offspring. Sophie Bushwick reports
Datum: 12.10.2011 10:00 •
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Homeless men who played soccer a few times a week had improved cardiovascular health and a lower risk of death. Cynthia Graber reports
Datum: 11.10.2011 17:50 •
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Comet Hartley 2 has the same deuterium-to-hydrogen ratio as ocean water, lending support to the idea that Earth's water was delivered by comets. John Matson reports
Datum: 10.10.2011 18:13 •
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A technique for doing PCR amplification of DNA samples could make it possible to do genome analysis in minutes of infectious agents. Cynthia Graber reports
Datum: 08.10.2011 02:51 •
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Seeing an ad after seeing a political candidate you don't like can affect your opinion of the product in the ad. Amy Kraft reports
Datum: 06.10.2011 23:36 •
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The 2011 Nobel Prize in Chemistry goes to Daniel Shechtman of the Technion-Israel Institute of Technology for the discovery of quasicrystals--infinite, non-repeating ordered materials. Steve Mirsky reports
Datum: 05.10.2011 12:11 •
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Saul Perlmutter, Brian Schmidt and Adam Reiss share the 2011 Nobel Prize in Physics for their observations that type Ia supernovae indicate that the expansion of the universe is accelerating. Steve Mirsky reports
Datum: 04.10.2011 11:59 •
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Bruce Beutler, Jules Hoffmann and Ralph Steinman share the Nobel Prize in Physiology or Medicine for their eludication of the complex workings of the immune system. Steve Mirsky reports
Datum: 03.10.2011 12:27 •
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The koala makes a sound that should require a bison-size body. A descended larynx gives it an unusually long vocal tract. Sophie Bushwick reports
Datum: 30.09.2011 23:31 •
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Villages close to a road built in Ecuador saw a larger rise in antibiotic resistance than did more remote areas. Karen Hopkin reports
Datum: 29.09.2011 19:36 •
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Cyclist commuters in London had more than twice as much black soot in their lungs than did walking commuters. Amy Kraft reports
Datum: 28.09.2011 19:53 •
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Sound impelled an electron in an energy well to a second energy well and back. It's a step toward controlled single-electron transfer for use in quantum computer electronic circuits. Sophie Bushwick reports
Datum: 27.09.2011 10:00 •
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Comparative genomics shows that sodium channel and pump proteins evolved just before multicellular animals arose, implying that control of electrolyte balancing was a crucial event in life's history. Karen Hopkin reports
Datum: 26.09.2011 21:34 •
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You can search for exoplanets via the citizen scientist project Planet Hunters, which has already found candidate worlds orbiting distant stars. John Matson reports
Datum: 23.09.2011 17:44 •
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Marginalized populations have more health problems related to poor nutrition and prenatal care. Tracking such data could identify groups at risk for future genocide. Cynthia Graber reports
Datum: 23.09.2011 00:53 •
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Researchers created the game Foldit to simulate protein folding and used teams of online gamers to help solve the structure of an enzyme. Cynthia Graber reports
Datum: 21.09.2011 23:30 •
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The round-shaped tip of a carbon nanotube fools a cell into ingesting it, to death. A rough-hewn end may fix the problem. Christopher Intagliata reports
Datum: 20.09.2011 18:55 •
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Researchers recreated mammoth hemoglobin and found it delivers oxygen at ultralow temperatures, a finding that could inform blood substitutes for therapeutic hypothermia procedures. Sophie Bushwick reports
Datum: 19.09.2011 23:10 •
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If an early human wanted to chase down prey, it really helped to be upright and to lose the overheating body hair. Karen Hopkin reports
Datum: 16.09.2011 13:35 •
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Two thousand black box parameters from planes that do not crash can be harvested via computer analysis to further increase airline safety. Cynthia Graber reports
Datum: 14.09.2011 11:43 •
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Men in their 20s had lower levels of testosterone after fathering children than they did before becoming dads. Christopher Intagliata reports
Datum: 13.09.2011 15:40 •
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Insects that hitch rides in shipping containers cost local governments and homeowners $2.5 billion each year. Sophie Bushwick reports
Datum: 12.09.2011 17:53 •
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Alginate from brown algae could allow stable silicon anodes to replace graphite anodes in better, cheaper batteries. Cynthia Graber reports
Datum: 09.09.2011 19:39 •
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Isotopes within rocks of different ages show that the gold in Earth's mantle came after the planet formed, delivered by meteorites. Karen Hopkin reports
Datum: 08.09.2011 17:31 •
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The gambit of lowering the back end of a price to incidentally lower the first digit of the price can be counterproductive in the case of luxury items. Steve Mirsky reports
Datum: 07.09.2011 16:35 •
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Employees who used work hours for exercise reported higher productivity than others who either took the time off or worked those hours. Cynthia Graber reports
Datum: 06.09.2011 19:24 •
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A mouse study found that endurance exercise influenced mesenchymal stem cells to turn into bone rather than into fat cells, leading to more oxygen carrying capacity and better immune function. Steve Mirsky reports
Datum: 02.09.2011 20:28 •
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High-pressure treatment of tropical fruits increased their levels of some carotenoid antioxidants. Cynthia Graber reports
Datum: 01.09.2011 21:15 •
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Hospital health care staff increased their hand washing in response to signs reminding them that it helped patients, but not when signs urged them to wash for their own benefit. Christopher Intagliata reports
Datum: 31.08.2011 22:55 •
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An experimental system called SignalGuru uses a network of smart phones in cars to minimize driver stops and starts. Cynthia Graber reports
Datum: 30.08.2011 16:03 •
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Drawing as one attempts to learn science concepts can help in reasoning and basic understanding. Cynthia Graber reports
Datum: 30.08.2011 01:30 •
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The risk of civil war in tropical countries increases during hot, dry El Nino years, perhaps due to food shortages. Christopher Intagliata reports
Datum: 26.08.2011 17:52 •
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A planetlike body 4,000 light-years away may be the compacted remains of a white dwarf star that is now mostly diamond. John Matson reports
Datum: 25.08.2011 18:57 •
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Rivers were wide and shallow until the evolution of treelike plants, which got the waterways into line. Christopher Intagliata reports
Datum: 24.08.2011 21:42 •
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Enter what you felt during today's earthquake at earthquake.usgs.gov to aid geologists. Steve Mirsky reports
Datum: 24.08.2011 00:50 •
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Human molars and jaws responded to the invention of cooking by getting smaller. Fossils thus indicate that controlled-fire cooking probably originated about 1.9 million years ago. Cynthia Graber reports
Datum: 22.08.2011 20:55 •
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Science graduate students who did research and taught improved their written research proposals over the course of an academic year more than did grad students who just did research. Steve Mirsky reports
Datum: 19.08.2011 22:10 •
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After formulating the "traveling umpire problem," researchers developed solutions to get ump crews to every major league baseball game. Steve Mirsky reports
Datum: 19.08.2011 00:50 •
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Rats infected with Toxoplasma actually like cat odors. New research finds that the infection makes cat odor aphrodisiacal. Steve Mirsky reports
Datum: 17.08.2011 21:57 •
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Medicare recipients in the so-called doughnut hole, where they foot the complete bill for their drugs, are twice as likely to skip meds entirely than are those who get other assistance. Katherine Harmon reports
Datum: 16.08.2011 23:10 •
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When poultry farms avoided antibiotic use, their resistant bacteria drop was fast and vast. Cynthia Graber reports
Datum: 15.08.2011 16:30 •
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The inverse opal is a chip with micro-channels sensitive to liquids of specific surface tensions. By changing color, the chip reveals exposure to the specific substance. Sophie Bushwick reports
Datum: 12.08.2011 01:53 •
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The smell of rotting sea lampreys drives away the live ones, which could be a useful strategy for controlling the invasive pests. Cynthia Graber reports
Datum: 11.08.2011 01:19 •
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The spread of Japanese stiltgrass is being aided in Pennsylvania by routine road grading. Christopher Intagliata reports
Datum: 10.08.2011 02:49 •
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Programs that build satellites from commonly available electronics are making satellite manufacture available to developing nations. Cynthia Graber reports
Datum: 08.08.2011 15:17 •
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What it sounded like as Juno got the final go-aheads to launch for Jupiter. Steve Mirsky reports
Datum: 05.08.2011 18:35 •
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The caging of a single water molecule in a buckyball molecule gives researchers a unique chance to study both. Sophie Bushwick reports
Datum: 04.08.2011 22:44 •
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Braking via brain waves at the start of our intention to slow could stop a car 12 feet sooner at highway speeds. Karen Hopkin reports
Datum: 04.08.2011 02:25 •
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Some plants that are grazed on can then up the number of copies of their DNA, allowing them to produce more proteins and seeds. Karen Hopkin reports
Datum: 02.08.2011 02:15 •
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The North Carolina State University project School of Ants is looking for your help--and your ants. Karen Hopkin reports
Datum: 29.07.2011 05:04 •
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Accelerometer-equipped colugos showed that gliding is much faster than other ways through the treetops, but it costs more energy than strolling. Christopher Intagliata reports
Datum: 28.07.2011 05:15 •
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A study of driving behavior in areas with road cameras found fewer crashes and injuries, translating to big savings in repairs and medical bills. Cynthia Graber reports
Datum: 27.07.2011 23:27 •
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A quick test using Luminol, famous for identifying blood traces on CSI, identifies a bacterial infection from a viral one, which won't respond to antibiotics. Cynthia Graber reports
Datum: 27.07.2011 04:14 •
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Lion attacks in Tanzania rise after the full moon, possibly because a waxing moon makes hunting difficult for the lions. Christopher Intagliata reports
Datum: 26.07.2011 00:15 •
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Three NYC high school students did DNA analyses of various teas and spotted sequences belonging to lots of flora that weren't listed on the label. Cynthia Graber reports
Datum: 21.07.2011 22:49 •
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A fish (Anableps anableps) that keeps its eyes half submerged has specially adapted pupils and retinas to see clearly both above and below the water. Christopher Intagliata reports
Datum: 20.07.2011 17:57 •
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Treadmill tests of volunteers in medieval armor revealed that the extra work required to move in the suits may have outweighed their protective benefits. Cynthia Graber reports
Datum: 20.07.2011 04:37 •
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At the Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled the Laboratory of Molecular Biology at Cambridge in the 1960s, and how informal conversations helped nurture great science. Steve Mirsky reports
Datum: 19.07.2011 00:30 •
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The Transportation Research Board will put cameras and other sensors in more than 3,000 cars to find out what drivers are doing right--and wrong. Steve Mirsky reports
Datum: 17.07.2011 18:36 •
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What looks like the thumb on six-fingered moles is really a giant wrist bone that develops separately from the five true fingers. Steve Mirsky reports
Datum: 15.07.2011 01:44 •
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Two white dwarf stars orbiting each other will collide in 900,000 years, possibly annihilating both. Steve Mirsky reports
Datum: 14.07.2011 01:54 •
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Obese surgical patients were far less likely to die of a couple of specific respiratory problems than were non-obese patients with the same complications. Steve Mirsky reports
Datum: 13.07.2011 03:32 •
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There aren't many gamekeepers left, but the condition known as gamekeeper's thumb lives on. Steve Mirsky reports
Datum: 12.07.2011 04:37 •
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A camera that could literally balance on the head of a pin could find use in research, robotics and medicine. Cynthia Graber reports
Datum: 08.07.2011 22:49 •
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The miniscule water boatman makes the loudest sound for body size in the animal kingdom. Cynthia Graber reports
Datum: 07.07.2011 08:05 •
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Marmosets living in a Brazil city park seek out quiet spots at the expense of top foraging sites. Karen Hopkin reports
Datum: 06.07.2011 19:54 •
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Solar wind samples reveal that Earth, the moon and Mars have different isotopic ratios than the sun, indicating some additional additional wrinkles in the planetary origin scenario. Karen Hopkin reports
Datum: 05.07.2011 12:15 •
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Hans Rosling, professor of international health at the Karolinska Institute, explains how a regulated market can encourage pharma companies to produce drugs for the world's poor. Steve Mirsky reports
Datum: 05.07.2011 00:28 •
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At the Lindau Nobel Laureate Meeting in Germany, Edmond Fischer noted that researchers used to seek factors behind known phenomena, a situation often reversed today. Steve Mirsky reports
Datum: 01.07.2011 05:05 •
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At the Lindau Nobel Laureate Meeting in Germany, Christian de Duve posed a challenge to researchers to explain how small changes in development and size lead to the massively disparate brains of humans versus related apes. Steve Mirsky reports
Datum: 30.06.2011 22:45 •
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At the Lindau Nobel Laureate Meeting in Germany, Bill Gates discussed the challenges of research on diseases common in developing countries in a market-driven biomedical research environment. Steve Mirsky reports
Datum: 29.06.2011 23:00 •
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At the Lindau Nobel Laureate Meeting in Germany, 1996 laureate Harold Kroto told the assembled students that science as a way of evaluating what is true is, for him, its most important quality. Steve Mirsky reports
Datum: 28.06.2011 21:32 •
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At the Lindau Nobel Laureate Meeting in Germany, 2007 Nobelist Oliver Smithies told the assembled students about what he learned from his thesis project, which was never once cited. Steve Mirsky reports
Datum: 27.06.2011 19:10 •
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Astronomers need citizen scientists--like you--to look at telescope images and find Kuiper Belt objects that can be visited by the New Horizons mission. Karen Hopkin reports
Datum: 25.06.2011 05:03 •
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Research with rats reveals that fat substitutes may prime the body to consider all fats to be low-calorie and thus decrease the ability to burn real fats efficiently--leading to weight gain. Karen Hopkin reports
Datum: 24.06.2011 13:19 •
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Human retinas have the protein cryptochrome, used for magnetic navigation in some species. Humans may thus have an incipient magnetic sense, or evolution has adopted the molecule for another use in us. Christopher Intagliata reports
Datum: 23.06.2011 16:30 •
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An analysis of a person's DNA methylation finds that the number of methyl groups attached to the DNA correlates with the person's age--making saliva analysis a possible CSI tool. Cynthia Graber reports
Datum: 22.06.2011 22:38 •
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Volunteers were scanned when they napped in stationary and in rocking beds, revealing enhanced sleep brain activity when rocking. Cynthia Graber reports
Datum: 20.06.2011 23:56 •
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A proof-of-concept design shows that including a system to generate smells to accompany TV images is "quite doable." Karen Hopkin reports
Datum: 18.06.2011 05:03 •
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Botanist Fred Coville figured out that blueberries needed very acidic soil to become a crop and not just a wild plant. Steve Mirsky reports
Datum: 17.06.2011 19:07 •
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Thanks to Darwin, records on Chillingham cattle go back 150 years, and show a breeding response to climate change resulting in more winter calf deaths. Cynthia Graber reports
Datum: 15.06.2011 16:41 •
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Watching TV an average of two more hours per day increases the risk of diabetes and heart disease by 20 and 15 percent, respectively. Christopher Intagliata reports
Datum: 15.06.2011 03:17 •
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An analysis of political and philosophical newsgroups found that half of all replies were directed at just 2 percent of thread initiators. Christopher Intagliata reports
Datum: 13.06.2011 05:10 •
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Brown stains on the walls of Tut's tomb are fungal mats, indicating a hurried burial. Cynthia Graber reports
Datum: 10.06.2011 17:59 •
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Art restorers are developing a technique to clean old and damaged painting using bacteria. Cynthia Graber reports
Datum: 10.06.2011 02:32 •
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In a commentary ecologists say that the native-versus-non-native issue is becoming a moot question. Karen Hopkin reports
Datum: 08.06.2011 17:57 •
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People in their early to mid-20s actually felt that carrying debt was empowering. Christopher Intagliata reports
Datum: 07.06.2011 21:08 •
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Non-experts being paid to participate in a survey had inflated opinions of works of art associated with the sponsor, but art experts were unswayed by the financial consideration. Karen Hopkin reports
Datum: 06.06.2011 19:57 •
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The practice of dirt-eating, or geophagy, is common, perhaps because "clean" dirt appears to impart some protection against parasites and pathogens. Cynthia Graber reports
Datum: 03.06.2011 23:07 •
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By examining the genomes of various multicellular organisms, researchers concluded that about 3 percent of all mutations are actually multiples, in which more than a single letter in the DNA code gets changed at the same time. Steve Mirsky reports
Datum: 02.06.2011 16:58 •
Größe: unbekannt
Brain imaging shows that food activates an anorectic's brain center associated with anxiety, not with pleasure as in nonanorectics. Karen Hopkin reports.
Datum: 01.06.2011 20:24 •
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Increases in average temperature and rainfall were associated in Zanzibar with higher numbers of cholera cases within a definite time period. Steve Mirsky reports
Datum: 31.05.2011 21:57 •
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A study of people from 33 nations led researchers to conclude that a given people's history of threats leads to cultural norms. Cynthia Graber reports
Datum: 27.05.2011 22:30 •
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A two-year study tracked feral and domestic cats and found they roam over surprisingly large ranges. Steve Mirsky reports
Datum: 27.05.2011 01:40 •
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The annual list of fascinating species new to science includes a jumping roach and a luminescent mushroom. Karen Hopkin reports
Datum: 25.05.2011 16:34 •
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A study of young boys who score poorly on tests of empathy and regard for others found that they didn't register a reaction to faces exhibiting fear. Christie Nicholson reports
Datum: 25.05.2011 01:05 •
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By doing away with an analog conversion, researchers have transmitted 26 terabits of data per second over a 50-kilometer distance with a single laser. Christopher Intagliata reports
Datum: 23.05.2011 16:40 •
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A study with mice finds that the types of intestinal bacteria an individual carries can influence behavior. Karen Hopkin reports
Datum: 20.05.2011 16:55 •
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A study of commencement officials found almost no transmission of harmful bacteria during the multiple handshakes of diploma awarding. Karen Hopkin reports
Datum: 19.05.2011 19:20 •
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Via CT scans on her mummy, Princess Ahmose-Meryet-Amon is now the first person in history known to have had atherosclerosis, 3,500 years ago. Cynthia Graber reports
Datum: 18.05.2011 16:06 •
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Most venomous snakes do not have hollow fangs. Their venom flows down outer grooves and lessens in viscosity due to suction after the bite. Karen Hopkin reports
Datum: 18.05.2011 01:32 •
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Averaging a group's individual guesses about a stat can be effective, unless the group's members are discussing their guesses. Karen Hopkin reports
Datum: 16.05.2011 19:58 •
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Bacteria that lie dormant can escape antibiotics. But add sugar to the treatment and the microbes rev up, only to be taken down. Karen Hopkin reports
Datum: 14.05.2011 01:17 •
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Hiding data in MP3s, for example, makes the file size noticeably larger. Now computer scientists have developed a system for hiding data in already large applications. Christopher Intagliata reports
Datum: 12.05.2011 15:48 •
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Mosquitoes behind malaria follow carbon dioxide exhalations until they're close enough to sniff out our feet, a strategy that researchers hope to exploit to stop them. Cynthia Graber reports
Datum: 12.05.2011 04:19 •
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Ads can make consumers believe they've tried products that they haven't or that don't even exist. Christopher Intagliata reports
Datum: 11.05.2011 00:19 •
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Trying to get drug addicts to quit drugs and smoking at the same time may drive them out of a program prematurely. Christopher Intagliata reports
Datum: 09.05.2011 13:48 •
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An experiment conceived a half century ago has confirmed Einstein's general relativity predictions of the spacetime effects of Earth's mass and spin. Karen Hopkin reports
Datum: 06.05.2011 21:05 •
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Charging electric vehicles at night generates less ozone than tapping into the grid during the daytime. Karen Hopkin reports
Datum: 05.05.2011 17:28 •
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When babies start to sleep more, chances are they're probably growing more, too. Cynthia Graber reports
Datum: 04.05.2011 19:47 •
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People tend to pick spouses with similar educations. And movie stars do, too, despite additional options of wealth and fame. Karen Hopkin reports
Datum: 03.05.2011 16:38 •
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Osama bin Laden's compound was apparently "off the grid" for secrecy. But the hole in the grid attracted the attention it sought to dispel. Steve Mirsky reports
Datum: 02.05.2011 21:36 •
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Four of a box jellyfish's 24 eyes always aim at the tree canopy, which tells them where their favorite food is. Steve Mirsky reports
Datum: 30.04.2011 01:10 •
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Test subjects who thought they'd taken a supplement made less healthful food and exercise choices than people who did not think they'd had a supplement. Karen Hopkin reports.
Datum: 29.04.2011 03:04 •
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Birds that prosper in the city have larger brains than their country cousins. Karen Hopkin reports, with assistance from New York City birds
Datum: 27.04.2011 18:50 •
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A hot blood meal should denature mosquito digestive enzymes, but other mosquito molecules protect those compounds. Christopher Intagliata reports
Datum: 26.04.2011 23:12 •
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When faced with flooding, fire ants join together into a big, bouyant mat to float en masse. Cynthia Graber reports
Datum: 25.04.2011 22:16 •
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Photosynthetic plants on other planets that revolve around different kinds of suns could be mostly gray or black. Cynthia Graber reports
Datum: 22.04.2011 21:02 •
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Marks on fossils indicate that more than 90 percent of humans in Europe a half-million years ago were right-handed. Karen Hopkin reports
Datum: 21.04.2011 16:56 •
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A metal-polymer coating can heal its own scratches by liquefying when exposed to UV and then resolidifying. Karen Hopkin reports
Datum: 20.04.2011 20:47 •
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People who rely on TV for companionship suffer when favorite characters leave the airwaves. Steve Mirsky reports, with comments from George, Jerry, Cosmo and Elaine
Datum: 19.04.2011 16:00 •
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Senior citizens who spent their time restricted to their living quarters had a higher chance of developing dementia, a new study finds. Cynthia Graber reports
Datum: 18.04.2011 19:22 •
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Manuka honey interferes with bacteria infecting a wound by keeping the microbes from attaching to tissue, and even by making antibiotics more effective. Cynthia Graber reports
Datum: 16.04.2011 03:44 •
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The hormone ghrelin, which makes you want to eat, also appears to activate your nose, probably to make it easier to find food. Christopher Intagliata reports
Datum: 15.04.2011 02:15 •
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At a science and tech policy discussion, cosmologist Paul Davies talked about being recruited by the National Cancer Institute to study metastasis. Steve Mirsky reports
Datum: 14.04.2011 00:11 •
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At a science and tech policy discussion, physicist Lawrence Krauss talked about the need to educate science students about failure when addressing real-world problems, which may not have a correct answer. Steve Mirsky reports
Datum: 13.04.2011 00:40 •
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A species of microbe called M. barkeri is key to the process of producing methane at landfills. Cynthia Graber reports
Datum: 12.04.2011 00:24 •
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An asteroid (2010 SO16) has been discovered that has trailed the Earth in an almost identical orbit to ours for a quarter-million years. Karen Hopkin reports
Datum: 08.04.2011 15:49 •
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Fish that live in complete darkness and have lost their sight stay awake more than do sighted fish, probably because they need to spend more time feeding. Karen Hopkin reports
Datum: 07.04.2011 17:46 •
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An experimental device that incorporates liquid and a photovoltaic allows for direct heat capture and electricity conversion. Cynthia Graber reports
Datum: 06.04.2011 18:12 •
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Algae are found living inside the tissues of spotted salamander embryos, representing the first known case of an algae-vertebrate co-habitation arrangement. Steve Mirsky reports a story written by Karen Hopkin
Datum: 05.04.2011 15:56 •
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Less than two hours of training over a few days produced noticeable brain changes in adult learners. Cynthia Graber reports
Datum: 04.04.2011 20:33 •
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A food additive that blocks our bitter taste receptors could make foods like broccoli more palatable. Karen Hopkin reports
Datum: 01.04.2011 13:37 •
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An astronomer makes the case that the best place to search for habitable planets may be very close to white dwarf stars. Karen Hopkin reports
Datum: 31.03.2011 13:18 •
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Chemical analysis provides tips for making a better Bloody Mary. Karen Hopkin reports
Datum: 30.03.2011 20:38 •
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A technique using microwave heating looks promising for salvaging used motor oil as a source for fresh gasoline and diesel. Steve Mirsky reports
Datum: 29.03.2011 16:22 •
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Carbon nanotubes in composites can mean easier thermal-imaging testing for signs of possibly dangerous material fatigue. Cynthia Graber reports
Datum: 28.03.2011 16:32 •
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Individual genomic info is being considered for drug prescription, but more info on drug-gene interactions is still needed. Steve Mirsky reports
Datum: 25.03.2011 13:18 •
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The shape of bones can give a general idea about the weight a person carried in life. Cynthia Graber reports
Datum: 24.03.2011 23:38 •
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Understanding the parental genetics of fetal alcohol spectrum disorder could lead to ways to prevent it. Steve Mirsky reports
Datum: 23.03.2011 21:01 •
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Researchers put an 1896 x-ray machine through its paces and found that it took 90 minutes to achieve exposures that take a fraction of a second today. Cynthia Graber reports
Datum: 22.03.2011 20:40 •
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Researchers identified a genetic mutation causing seedlessness in different plants, and it could be a target to make new seedless fruits. Cynthia Graber reports
Datum: 21.03.2011 17:33 •
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Researchers found a 2 percent increase in a patient's risk of death for each nursing work shift that was understaffed. Steve Mirsky reports
Datum: 18.03.2011 17:40 •
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Scientific American's David Biello judges Fukushima to have reached Chernobyl proportions. Steve Mirsky reports
Datum: 17.03.2011 16:02 •
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All Republicans on the House Energy and Commerce Committee voted against an amendment that states that global warming exists, regardless of cause. John Rennie comments
Datum: 16.03.2011 18:31 •
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Cave dwellings indicate that humans spent 600,000 years in Europe before learning to control fire about 350,000 years ago. Cyntha Graber reports
Datum: 15.03.2011 17:34 •
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At a press briefing, physicist Ken Bergeron explained the type of accident occurring at Fukushima. Steve Mirsky reports
Datum: 14.03.2011 17:15 •
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Elephants quickly learned to cooperate as a pair on a task that brought them a food reward. Cynthia Graber reports
Datum: 11.03.2011 16:33 •
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Forwarded e-mail purveying falsehoods about political candidates or insidious rumors is more convincing than Web sites or blogs that do the same. Christopher Intagliata reports
Datum: 10.03.2011 16:46 •
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The fifth annual International Smart Gear Competition sponsored by the World Wildlife Fund opened March 1. Cynthia Graber reports
Datum: 09.03.2011 05:00 •
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Researchers have found that hot alcoholic drinks can induce superconductivity in iron-based compounds. Cynthia Graber reports
Datum: 08.03.2011 05:00 •
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The National Sleep Foundation released results of its annual survey. Christie Nicholson reports
Datum: 07.03.2011 05:01 •
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Recent research may have found a possible path to killing a parasite that is similar to the one that causes malaria. Karen Hopkin reports
Datum: 04.03.2011 05:00 •
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Fish exposed to the noise of speedboats were less efficient at finding, catching and holding on to prey. Christopher Intagliata reports
Datum: 03.03.2011 11:56 •
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People who had seemingly unrealistic expectations of their spouses were nonetheless happier than more realistic mates in a marriage's early years. Karen Hopkin reports
Datum: 02.03.2011 16:09 •
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Physicist Thomas LeCompte explains how the Large Hadron Collider's output will differ from the big bang--and what they have in common. Steve Mirsky reports
Datum: 01.03.2011 17:27 •
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Decreasing unwanted pregnancies lowers fertility rates internationally and will help stabilize the global population, but investment is decreasing. Steve Mirsky reports
Datum: 28.02.2011 18:15 •
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Nobel laureate John Sulston posited at the AAAS meeting that it may be time to look for alternatives to GDP as measures of well-being. Steve Mirsky reports
Datum: 25.02.2011 16:28 •
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Loggerhead turtles sense latitude by the planet's magnetic field intensity, and new research finds they're good at determining their longitude, too, probably via the field's inclination. Christopher Intagliata reports
Datum: 24.02.2011 17:38 •
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The evolution of the ability to digest lactose conferred such an advantage it probably spread through populations within a few dozen generations. Steve Mirsky reports
Datum: 23.02.2011 18:53 •
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People who do not express the Duffy blood-group protein were thought to be safe from infection by Plasmodium vivax. That appears to no longer be the case. Steve Mirsky reports
Datum: 22.02.2011 05:03 •
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The Rockefeller University's Joel Cohen noted at the annual meeting of the American Association for the Advancement of Science that the question of Earth's human-carrying capacity depends on how we're being carried. Steve Mirsky reports
Datum: 21.02.2011 22:02 •
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At a session of the annual meeting of the American Association for the Advancement of Science, researchers discussed some of the benefits of being multilingual, such as heightened focus and better multitasking. Cynthia Graber reports
Datum: 18.02.2011 18:30 •
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Whether particulates in a mix are hydrophobic or hydrophilic, adding water can thicken the mix. Cynthia Graber reports
Datum: 17.02.2011 18:57 •
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People at the bottom or the top of a flight of stairs consistently thought the angle was 20 degrees more than it really was, suggesting that we may be hardwired to be overly sensitive to changes in terrain slope. Karen Hopkin reports
Datum: 16.02.2011 14:54 •
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People may value an object more if they believe it was once owned by a celebrity because of an inherent belief that it still carries an essence of physical trace of the famous person. Steve Mirsky reports
Datum: 15.02.2011 20:04 •
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Chemists have identified the chemistry behind the gradual browning of van Gogh's bright yellow sunflowers in the hopes of stopping the paint's change. Karen Hopkin reports
Datum: 14.02.2011 18:57 •
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An analysis of numerous studies finds the presence of parks is associated with more physical activity across age groups. Karen Hopkin reports
Datum: 11.02.2011 18:16 •
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Short-sleeved docs in hospitals quickly pick up just as much bacteria as their long-sleeved colleagues. Steve Mirsky reports
Datum: 10.02.2011 14:42 •
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In the study of a major city in ancient Pakistan, one of every 10 finds is related to playing games. Cynthia Graber reports
Datum: 09.02.2011 18:59 •
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When dog handlers believed there were drugs or bomb materials, their dogs called more false alarms. Christopher Intagliata reports
Datum: 08.02.2011 13:35 •
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Researchers devised a recipe for growing bioengineered blood vessels made from human cells. Cynthia Graber comments
Datum: 07.02.2011 15:48 •
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U.S. Sen. Rand Paul would deeply slash federal funding for science. But such funding is a solid investment in prosperity and health. John Rennie comments
Datum: 04.02.2011 19:32 •
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Side-by-side orchids can be pollinated by the same bee, which keeps the pollens distinct, but each orchid species will co-exist with a unique nutrient-supplying fungus. Cynthia Graber reports
Datum: 03.02.2011 16:27 •
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Volunteers who drove a Red Bull car in a video came were more reckless than those who drove cars with the logos of other drinks. Christopher Intagliata reports
Datum: 02.02.2011 18:19 •
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Computer simulations show that a crash between evenly sized planetoids creates a Pluto and a Charon, plus a debris disk that could have become Pluto's other two satellites. John Matson reports
Datum: 01.02.2011 17:24 •
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The children of women with untreated worm infections while pregnant had fewer cases of eczema, lending further credence to the "hygiene hypothesis" that says some immune challenges may have long-term benefits. Cynthia Graber comments
Datum: 31.01.2011 16:25 •
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Only a minority of high school teachers are effectively educating students about evolution, with many expressing personal views rather than the assigned curriculum. John Rennie comments
Datum: 28.01.2011 17:53 •
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Cruciferous vegetables contain compounds that preferentially destroy ineffective mutant p53 tumor suppressor proteins, but leave the good ones alone. Steve Mirsky reports
Datum: 27.01.2011 20:10 •
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A Danish study found a 27 percent increase in stroke risk for every 10-decibel increase in street noise for those over 65. Christopher Intagliata reports
Datum: 26.01.2011 16:27 •
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Researchers found that farmed oysters could remove significant amounts of nitrogen in the waters of the Chesapeake delivered there by agricultural and municipal runoff. Cynthia Graber reports
Datum: 25.01.2011 20:04 •
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At a meeting today, researchers will consider a new world kilogram standard, and other units. John Matson reports
Datum: 24.01.2011 17:55 •
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One reason Jay Leno failed at 10 P.M. is that the ubiquity of the DVR had changed late prime time into the period for people to catch up on their recordings. Steve Mirsky reports
Datum: 21.01.2011 20:00 •
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Individuals will put in work to reach a round-number goal, such as a 1,300 SAT score rather than 1,290, that is not commensurate with the absolute amount of the improvement. Christopher Intagliata reports
Datum: 20.01.2011 16:48 •
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Male splendid fairy-wrens in Australia prefer to make their calls after a predator makes its sound, and females pay more attention when the calls are linked. Cynthia Graber reports
Datum: 19.01.2011 18:10 •
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Of 362 fans willing to be tested leaving pro football and baseball games, 8 percent were over the legal alcohol limit. Steve Mirsky reports
Datum: 18.01.2011 21:41 •
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People who ate more fruits and vegetables had a slightly different carotenoid-induced skin hue that was rated more healthy-looking, possibly reflecting its advertisement of fitness. Cynthia Graber reports
Datum: 17.01.2011 10:00 •
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Customer ordering patterns were unchanged after a Mexican-style fast food chain posted the calorie counts of its offerings. Karen Hopkin reports
Datum: 14.01.2011 13:58 •
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Students who addressed their performance anxiety in a writing exercise prior to an exam improved their scores, whereas other students who did not engage in the exercise saw their results drop. Christie Nicholson reports
Datum: 13.01.2011 18:57 •
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College students rated getting a good grade or a compliment higher than other, seemingly more pleasurable activities. Karen Hopkin reports
Datum: 12.01.2011 22:02 •
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A prototype noise-canceling device that silences the dentist's drill could make dental care more appealing. Cynthia Graber reports
Datum: 11.01.2011 12:37 •
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Moon rocks show that lunar water has more heavy hydrogen than does terrestrial water, indicating a cometary origin. Christopher Intagliata reports
Datum: 10.01.2011 16:15 •
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The same basic brain chemistry involved in the pleasurable sensations of sex and drugs comes into play with rock 'n' roll (and opera). Karen Hopkin reports
Datum: 10.01.2011 02:40 •
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Men who smelled tears produced by women who cried from watching a sad film had lower testosterone levels and less physiological arousal than men who smelled a saline solution. Cynthia Graber reports
Datum: 06.01.2011 18:57 •
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Looking back on a century-old article, today's Lancet editors note that medicine's great progress has often not included some big, familiar conditions. Karen Hopkin reports.
Datum: 05.01.2011 18:12 •
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A computer model predicts all-out war or happy harmony based on one-on-one interactions within a network's most basic connections. Karen Hopkin reports
Datum: 04.01.2011 17:43 •
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When guys got together in ancient Greece to hoist a few, they reclined and drank in specific ways. Steve Mirsky reports
Datum: 03.01.2011 22:00 •
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The last year took you far--hundreds of millions of miles, in fact. Steve Mirsky reports
Datum: 01.01.2011 11:00 •
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An editorial in the The New England Journal of Medicine recommends that patients provide informed, written consent to undergo elective surgery by physicians who haven't had enough sleep. Steve Mirsky reports
Datum: 30.12.2010 10:00 •
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Spectroscopic analysis finds that the fluoridated layer thought to protect teeth is probably too thin to be responsible for fluoride's effects. Karen Hopkin reports
Datum: 29.12.2010 18:25 •
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Analysis of some 14,000 college student surveys over the last three decades finds that self-reported levels of empathy for others have decreased. Steve Mirsky reports
Datum: 28.12.2010 22:41 •
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A mathematical model finds that a temperature of about 98.6 Fahrenheit is high enough to ward off the majority of fungal infections, but still low enough to only require a manageable level of food intake. Steve Mirsky reports
Datum: 27.12.2010 19:42 •
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Having many members of the family in one place is a rare opportunity to collect medical history data, which can alert you to disease susceptibilities. Karen Hopkin reports
Datum: 24.12.2010 14:20 •
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Patients told they were getting a placebo still reported improvements at a much higher rate than patients who were not treated. Karen Hopkin reports
Datum: 23.12.2010 15:00 •
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Those holiday letters that summarize a family's year usually leave out the key component of the experiences: the feelings about what happened
Datum: 22.12.2010 14:25 •
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College students viewed people with innovative ideas as having less leadership potential than those whose thinking remained in the box. Karen Hopkin reports
Datum: 21.12.2010 12:40 •
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Recent research finds that chimps tend to fall into the same gender-specific roles as human children do, even without any gender-specific tools. Karen Hopkin reports
Datum: 20.12.2010 17:01 •
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A database of millions of books tries to make it possible to track cultural trends through the quantities of individual words in print over the last few centuries. Cynthia Graber reports
Datum: 17.12.2010 15:33 •
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Kitchen staff learned more from food safety stories about methods and consequences than from dry protocols. Cynthia Graber reports
Datum: 16.12.2010 13:30 •
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Rats can be trained to identify TB-positive sputum samples--and do it better than conventional techniques. Karen Hopkin reports
Datum: 15.12.2010 17:39 •
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The destruction of the Titanic, started by a huge iceberg, will be finished by tiny, iron-eating bacteria. Karen Hopkin reports
Datum: 14.12.2010 11:36 •
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The icy rings of Saturn could be what's left of an ancient ice-rock moon that got stripped and swallowed by the gas-giant planet. Christopher Intagliata reports
Datum: 13.12.2010 18:31 •
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If you painstakingly contemplate eating the food you're about to dig into, there's a good chance you'll eat less of it. Karen Hopkin reports
Datum: 10.12.2010 18:12 •
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Analysis of the chemical signature of gas giant exoplanet WASP 12 b reveals it to have a highly unusual makeup of more carbon than oxygen, with implications for the types of rocky planets that may be out there. Christopher Intagliata reports
Datum: 09.12.2010 15:32 •
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Study subjects who imitated a foreign accent understood the speaker better than those who merely listened. Karen Hopkin reports
Datum: 08.12.2010 17:08 •
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Because photons impart momentum, physicists were able to demonstrate the potential of light to supply a tiny wing's lift. Karen Hopkin reports
Datum: 07.12.2010 17:10 •
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Gases used in surgical anesthesia contribute the greenhouse gas equivalent of a million cars. But better anesthesia choices can lessen the impact. Cynthia Graber reports
Datum: 06.12.2010 19:11 •
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Until a great white shark reaches about three meters in length, its jaws can't handle the kind of Spielbergian bite force usually associated with the killer fish. Cynthia Graber reports
Datum: 03.12.2010 19:03 •
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A bacterium has been discovered that can substitute arsenic for phosphorus in fundamental life chemistry. Christopher Intagliata reports
Datum: 02.12.2010 18:35 •
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The discovery that elliptical galaxies have many more red dwarf stars than the Milky Way means that the universe might have three times as many total stars as previously thought. Cynthia Graber reports
Datum: 01.12.2010 18:03 •
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Reptiles were trapped in equatorial rainforests' fragments following global warming 300 million years ago, leading to an explosion in diversity. Steve Mirsky reports
Datum: 30.11.2010 14:29 •
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Runners who were tracked in a 2,800-mile race revealed that simple muscle inflammation is okay to run through but joint inflammation is riskier. Steve Mirsky reports
Datum: 29.11.2010 17:43 •
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A simple writing exercise that had been shown to help minority students improve their grades also seems to help female physics students. Cynthia Graber reports
Datum: 26.11.2010 17:25 •
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Cornell's Brian Wansink notes that smaller plates can lead to smaller food intakes, and he has more holiday eating tips. Steve Mirsky reports
Datum: 24.11.2010 17:13 •
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An exercise program featuring moving to music helped significantly lower the number of falls in elderly people. Cynthia Graber reports
Datum: 23.11.2010 20:00 •
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Taking advantage of T cell by-products, a new technique may make it possible to estimate the age of a victim using only a blood sample. Cynthia Graber reports
Datum: 22.11.2010 20:46 •
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Using data from the Where's George dollar-bill-tracking web project, researchers redrew borders showing the true communities of the country. Steve Mirsky reports
Datum: 19.11.2010 15:05 •
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An exoplanet has been discovered orbiting a star of extragalactic origin that contains far less metal than models predict for stars with planets. Christopher Intagliata reports
Datum: 18.11.2010 18:57 •
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Hearing people could identify some nonverbal sounds made by deaf people but not others, indicating that some nonverbal reactions are learned. Christopher Intagliata reports
Datum: 17.11.2010 19:27 •
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Elderly people who lose a loved one have higher pulse rates and more episodes of tachycardia than others who do not suffer a loss. Christopher Intagliata reports
Datum: 16.11.2010 19:28 •
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Chemists have isolated an ingredient in coriander leaf, aka cilatro, that neutralizes a particularly fetid aroma associated with cooking chitlins. Cynthia Graber reports
Datum: 15.11.2010 15:16 •
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A study of energy consumption among human walkers of various sizes finds that children tire more easily not due to any differences in stride style--they just need more steps to cover the same distance. Karen Hopkin reports
Datum: 12.11.2010 17:23 •
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People reported being happiest when engaged in what they were doing versus allowing their minds to wander. Karen Hopkin reports
Datum: 11.11.2010 18:57 •
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A weekly text message check-in with HIV patients in Kenya helped improve therapy compliance and lower viral load. Cynthia Graber reports
Datum: 10.11.2010 14:40 •
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CT scans reveal that the brains of Neandertal babies had the same elongated shape as those of modern human babies. But whereas modern humans' brains become rounder as they mature, Neandertals retained the elongated shape throughout their lives. Karen Hopkin reports
Datum: 09.11.2010 12:15 •
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Using viral gene insertion and regulatory proteins, researchers turned adult human skin cells directly into adult human blood cells, without first returning them to a fully pluripotent state. Steve Mirsky reports
Datum: 08.11.2010 15:17 •
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Massive galaxies acting as lenses have revealed five ancient galaxies behind the lensing galaxies. Hundreds more old galaxies should be discovered this way. Steve Mirsky reports
Datum: 05.11.2010 18:02 •
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In recent studies fish oil supplements seemed to lower breast cancer risk in women, raise colon cancer risk in mice and have no effect on Alzheimer's. Cynthia Graber reports
Datum: 04.11.2010 19:38 •
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Mice had to work 15 times harder to get one treat over another of equal quality. They then preferred the labor-intensive treat when both were freely available. Karen Hopkin reports
Datum: 03.11.2010 17:32 •
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The "assassin bug" lures spiders by mimicking the vibrations created by exhausted prey in the spider's web. Christopher Intagliata reports
Datum: 02.11.2010 17:00 •
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Extroverts who performed various activities in groups and then were sleep deprived performed worse on reaction tests than extroverts who performed similar activities in private. Cynthia Graber reports
Datum: 01.11.2010 21:56 •
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Analysis of 166 stars found almost a quarter--much more than expected--had small, rocky planets, which should force a change in thinking on the overall frequency of such bodies. Adam Hinterthuer reports
Datum: 29.10.2010 17:41 •
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Typists were fooled with typos they had not made on screen as they worked. But their fingers behaved differently when they saw a fake typo versus when they made a real one. Christopher Intagliata reports
Datum: 28.10.2010 19:04 •
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People blind since birth were able to distinguish individual fast touches to their fingertips better than were sighted people or those with partial vision loss. Steve Mirsky reports
Datum: 27.10.2010 05:03 •
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Simple changes, such as putting the salad bar closer to the register and putting fruits in a colorful bowl, get kids to buy more healthy choices at the school cafeteria. Karen Hopkin reports
Datum: 26.10.2010 11:42 •
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Researchers were surprised to find receptors for bitter taste in the lungs, and more surprised that activating them caused airways to greatly relax. Cynthia Graber reports
Datum: 25.10.2010 15:10 •
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A Swedish study finds that 70-year-olds in 2000 did better on intelligence tests than 70-year-olds had done in 1971. Steve Mirsky reports.
Datum: 22.10.2010 19:00 •
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Recycling used but still working pacemakers could help heart patients in developing countries. Cynthia Graber reports
Datum: 21.10.2010 15:22 •
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People who clenched a muscle were able to increase their will power in a series of tests. Cynthia Graber reports
Datum: 20.10.2010 15:56 •
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The discovery of starch remnants on stone tools indicates that our ancestors were making flour out of starchy roots 30,000 years ago. Karen Hopkin reports
Datum: 19.10.2010 14:45 •
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Noise can make food taste more bland, but also increase the perception of its crunchiness. Christopher Intagliata reports
Datum: 18.10.2010 18:57 •
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Infected monarch butterflies will lay their eggs on plants that contain a chemical that can protect the butterflies' offspring. Cynthia Graber reports
Datum: 15.10.2010 15:06 •
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Contemplating a new love can reduce pain by activating the same brain region that processes addictions and analgesic drugs. Cynthia Graber reports
Datum: 14.10.2010 16:19 •
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Pigeons chose a big payoff option that only hit 20 percent of the time over a small payoff that had better returns in the long run. Karen Hopkin reports
Datum: 13.10.2010 17:57 •
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Light at night increases mice's body mass, apparently by shifting food intake to times when the animals are less active. Karen Hopkin reports
Datum: 12.10.2010 12:32 •
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Recent research explains how the deaf can have extraordinary sight. Christie Nicholson reports
Datum: 11.10.2010 13:00 •
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New data show that when bystanders without emergency medical training try CPR using only chest compression, the results can be better than if they also attempt mouth-to-mouth. Christopher Intagliata reports
Datum: 08.10.2010 15:25 •
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Arriving in 2014, the Mars Atmosphere and Volatile Evolution Mission (MAVEN) will see if the solar wind and radiation are behind the loss of the Martian atmosphere. Cynthia Graber reports
Datum: 07.10.2010 16:19 •
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Richard Heck, Ei-ichi Negishi and Akira Suzuki won the Nobel Prize in chemistry for the development of new ways to synthesize complex organic molecules using palladium-catalyzed cross-couplings. Steve Mirsky reports
Datum: 06.10.2010 12:15 •
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The University of Manchester's Andre Geim and Konstantin Novoselov won the Nobel Prize in Physics for their research on the electronic and other properties of single-atom thick graphene, a form of carbon. Steve Mirsky reports
Datum: 05.10.2010 12:03 •
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85-year-old Englishman Robert Edwards wins the Nobel Prize in Physiology or Medicine for his 20-year effort to develop in vitro fertilization. Steve Mirsky reports
Datum: 04.10.2010 11:37 •
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Researchers tracked the activity of 30 popular Android apps and found that half reported info to third-party advertisers. Christopher Intagliata reports
Datum: 01.10.2010 17:20 •
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Groups of two to five members who interacted with each other best outperformed groups whose individual members had higher intelligence scores. Karen Hopkin reports
Datum: 30.09.2010 18:58 •
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Analysis of DNA from 180,000 people finds dozens of gene regions associated with height differences, and shows how researchers can analyze traits that are determined by complex genetics. Karen Hopkin reports
Datum: 29.09.2010 17:58 •
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Subjects with an average age of 62 had trouble avoiding an obstacle placed on a treadmill after consuming even small amounts of alcohol. Cynthia Graber reports
Datum: 28.09.2010 12:34 •
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The descendants of longtime urban dwellers show increased genetically driven resistance to tuberculosis, due to evolutionary selection pressure over millennia. Christopher Intagliata reports
Datum: 27.09.2010 15:51 •
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Novel materials could allow the implantation of flexible, rechargeable batteries that would constantly recharge from the body's own movements--even just breathing. Cynthia Graber reports
Datum: 24.09.2010 17:02 •
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Subjects varied their estimates of the calorie content of a food depending on the assumed negative or positive healthful qualities of the food item they had previously been shown--with weird consequences. Cynthia Graber reports
Datum: 23.09.2010 15:22 •
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Salmonella feast on a sulfur compound that is one of the by-products of our immune response to their presence. Christopher Intagliata reports
Datum: 22.09.2010 17:57 •
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The Web site timetree.org and the associated app give you divergence times for any two organisms and link to relevant publications. Steve Mirsky reports
Datum: 21.09.2010 17:32 •
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Artificial lighting is making songbirds start singing earlier in the day, with possible consequences for breeding. Cynthia Graber reports
Datum: 20.09.2010 16:12 •
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On this International Talk Like a Pirate Day, one eyewitness account of how science helps in all works of life, even piracy
Datum: 19.09.2010 14:18 •
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What distance a power hitter gains using a lighter corked bat he loses in collision efficiency. But a singles hitter may get solid contact more often with the lighter, illegal bat. Steve Mirsky reports
Datum: 17.09.2010 20:30 •
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Elderly people with loss of executive function--lessening of inhibitions--are more likely to offer useful, but tactless, advice. Christopher Intagliata reports
Datum: 16.09.2010 13:09 •
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Moving glaciers can cause erosion on mountains, but the coldest glaciers, frozen in place, protect mountains and allow them to grow taller. Cynthia Graber reports
Datum: 15.09.2010 18:52 •
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Some surgeons making more than $1 million in consulting fees did not disclose that fact in journal articles related to devices on which they consulted. Cynthia Graber reports
Datum: 14.09.2010 11:05 •
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Given a choice of two snacks, study subjects picked the one they looked at slightly longer. Christopher Intagliata reports
Datum: 13.09.2010 16:04 •
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Undergrads indicated a willingness to pay a premium for goods they could touch rather than merely look at on a Web page. Christopher Intagliata reports
Datum: 10.09.2010 18:00 •
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Male bowerbirds are famous for the elaborate settings they create. Now researchers have found that one purpose of the setting is to make the bird appear bigger. Karen Hopkin reports
Datum: 09.09.2010 17:01 •
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In side-by-side plots of strawberries grown organically or conventionally, the organic berries had more vitamin C and the soil was more biologically active. Molly Webster reports
Datum: 08.09.2010 14:10 •
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An experiment tracking mice for 43 generations finds that progeny of those that initially were more active are spending three times as much time on the training wheel as the progeny of the initially more sedentary mice. Christopher Intagliata reports
Datum: 07.09.2010 19:52 •
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Evidence mounts that ancient Nubian brewers purposely made beer so that it contained a dose of antibiotic tetracycline. Christopher Intagliata reports
Datum: 06.09.2010 19:42 •
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A Web-based experiment in which an idea was planted found greater penetration and more rapid spread of the idea in a dense network of participants with overlaps compared with in a loose network. Cynthia Graber reports
Datum: 03.09.2010 16:31 •
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Acacia trees harboring ants escaped elephant appetites, apparently because elephants don't like ants up their trunks. Karen Hopkin reports
Datum: 02.09.2010 17:08 •
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Drug-resistant mutant bacteria produce compounds called indoles that can protect large numbers of nonresistant colony mates. New treatment strategies should follow. Steve Mirsky reports
Datum: 01.09.2010 17:58 •
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The remains of what may be the earliest known group feast have been identified in northern Israel. Cynthia Graber reports
Datum: 31.08.2010 16:10 •
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Artificial lighting, despite huge efficiency improvements, has cost a constant percentage of GDP for three centuries. Christopher Intagliata reports.
Datum: 30.08.2010 15:36 •
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Recent hearing tests on teens show an increase in hearing loss over the last generation, possibly as a result of increased earbud use
Datum: 27.08.2010 16:15 •
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A study concludes that including actual statin drugs with high-fat restaurant meals is a justifiable public health effort. Karen Hopkin reports
Datum: 26.08.2010 18:25 •
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Mice were trained to identify feces from bird flu-infected ducks by smell. Cynthia Graber reports
Datum: 25.08.2010 05:05 •
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Drinking 16 ounces of water before meals helped a group of dieters lose more weight than other dieters who didn't consume water first
Datum: 24.08.2010 05:05 •
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Solar panels that can shake off their dust off via a self-generated electric pulse keep soaking in maximal rays. Cynthia Graber reports
Datum: 23.08.2010 05:05 •
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People laugh at situations involving a moral violation, if the situation is minor or unconnected to the listener. Molly Webster reports
Datum: 20.08.2010 09:00 •
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Study subjects who thought most people were basically honest were better at spotting liars than were subjects who had a dimmer view of their fellow man. Karen Hopkin reports
Datum: 19.08.2010 14:26 •
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A new medical atlas, called This Wormy World, will document the best knowledge of the locations and varieties of parasitic worm infections, which should lead to better treatment allocation. Cynthia Graber reports
Datum: 18.08.2010 10:00 •
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A survey finds that most people think cutting back on activities is better for energy savings than efficiency improvements. They're wrong. Karen Hopkin reports
Datum: 17.08.2010 17:33 •
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In a case of what's called "apparent competition," invasive beach grass is indirectly hurting a native lupine species in California by providing cover for mice that eat the lupine's seeds. Steve Mirsky reports
Datum: 16.08.2010 19:31 •
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Pouring champagne down the side of a tilted glass, beer style, reduces carbon dioxide loss and retains more flavor, compared with a pour straight down to the glass bottom. Christopher Intagliata reports
Datum: 13.08.2010 16:32 •
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People who can sleep through loud noises have more short bursts of fast brain waves, which may block the external sounds. Karen Hopkin reports
Datum: 12.08.2010 14:12 •
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Fossilized bones that show evidence of human ancestor stone tool use and meat-eating push the earliest dates for those activities from about 2.5 million to 3.4 million years ago. Steve Mirsky reports
Datum: 11.08.2010 18:36 •
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By "playing" with her tongue stud for years, a woman slowly forced open a gap between two front teeth. Cynthia Graber reports
Datum: 10.08.2010 12:52 •
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Male blue whales off California produce the same note, four octaves below middle C, perhaps as a mating beacon to females. Christopher Intagliata reports
Datum: 09.08.2010 17:29 •
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Transgenic canola plants in North Dakota found a way to leave the farm and apparently reproduce off-site, leading to individuals with multiple transgenes. Molly Webster reports
Datum: 06.08.2010 17:35 •
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Frog census volunteers misinterpreted recorded frog sounds in the field, leading researchers to suspect that frog populations may be even lower than thought. Cynthia Graber reports
Datum: 05.08.2010 17:51 •
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Rats with high blood pressure benefited from a long-term diet rich in capsaicin, which gives the heat to hot peppers and starts a chemical sequence that relaxes blood vessels. Adam Hinterthuer reports
Datum: 04.08.2010 16:23 •
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Male and female actors gave physics lectures to college students. All students thought the males were more knowledgeable. And whereas female students gave a a slight nod to women teachers, male students thought male teachers were vastly better. Cynthia Graber reports
Datum: 03.08.2010 14:44 •
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The Mars rover Spirit has long surpassed its planned three-month mission, and appears to be virtually powerless. Researchers still hope that once the Martian days lengthen, the rover's batteries may charge up to the point where communication again becomes possible
Datum: 02.08.2010 16:52 •
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High-end goods with recognizable logos may signal to the less affluent that you have some money, but also to the wealthy that you're not one of them. Karen Hopkin reports
Datum: 30.07.2010 10:00 •
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The evolutionary development of the neck allowed more freely moving forelimbs, which allowed further evolution of the head and hands. Karen Hopkin reports
Datum: 29.07.2010 16:05 •
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People with a particular variant of a dopamine receptor were more likely to drink more after watching other people drink heavily. Karen Hopkin reports
Datum: 28.07.2010 14:45 •
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People initially expect to learn a new skill easily, then become overly pessimistic when reality sets in. Cynthia Graber reports
Datum: 27.07.2010 13:18 •
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Frogs from an ancient lineage reveal that the amphibians developed the ability to jump before they had mastered landing. Cynthia Graber reports.
Datum: 26.07.2010 14:33 •
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A hypervelocity star appears to be the remains of a three-star system, one star of which was digested by the Milky Way's black hole, with the other two being combined and hurled away. Cynthia Graber reports
Datum: 23.07.2010 15:36 •
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A caterpillar's guts move forward first, followed by its outer body, according to x-ray studies of the insects walking on a treadmill. Molly Webster reports
Datum: 22.07.2010 16:57 •
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The higher temperatures of the tropics may be less of a factor in promoting biodiversity than is the constancy of those temperatures. Steve Mirsky reports
Datum: 21.07.2010 15:54 •
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Two studies of perception: the retinas of depressed people are far worse at responding to contrast; people doubt statements more when the speaker has a foreign accent. Steve Mirsky reports.
Datum: 20.07.2010 16:17 •
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A study of all injuries resulting in Major League Baseball players being put on the disabled list finds that most injuries occur before the All-Star break, and that pitchers are more at risk than non-pitchers. Steve Mirsky reports
Datum: 19.07.2010 16:09 •
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A planet called HD 209458 b, aka Osiris, orbits its star so closely that it is losing some of its atmosphere to the stellar wind. It may thus have a cometary tail. Steve Mirsky reports
Datum: 16.07.2010 20:36 •
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M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Cynthia Graber reports
Datum: 15.07.2010 14:52 •
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A survey of 2,000 physicians finds a third don't report fellow docs who do a bad job. Cynthia Graber reports
Datum: 14.07.2010 17:26 •
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Pathogens with added genes from Arctic bacteria could serve as vaccines that elicit an immune response before getting cooked in our warm bodies. Cynthia Graber reports
Datum: 13.07.2010 21:00 •
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A study in Israel found that politicians who were rated as having good looks got more television coverage than plainer Jameses. Karen Hopkin reports
Datum: 12.07.2010 20:07 •
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Residents tended to stay thinner when a commuter train was added to their region, because of increased exercise walking to and from stops. Cynthia Graber reports
Datum: 09.07.2010 16:52 •
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Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. Christopher Intagliata reports
Datum: 08.07.2010 16:30 •
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Local college football wins before elections upped incumbents' vote totals, and college basketball wins influenced presidential ratings. Karen Hopkin reports
Datum: 07.07.2010 16:28 •
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Mathematical modeling shows viability of a motorcycle that could run on compressed air. Karen Hopkin reports
Datum: 06.07.2010 05:03 •
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A half-hour delay in school start time led 201 Rhode Island high school students to be better behaved and happier. Cynthia Graber reports
Datum: 05.07.2010 21:00 •
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Ostrich wings, in addition to use in display and thermoregulation, let the giant birds make subtle, quick movements. Which could help researchers better understand the behavior of bipedal dinosaurs. Cynthia Graber reports
Datum: 02.07.2010 15:23 •
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In a correlational study lower average regional intelligence was found to be linked with higher infectious disease rates. Perhaps because the metabolic demands of the brain are great and resources are diverted to fight disease. Karen Hopkin reports
Datum: 01.07.2010 05:05 •
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Computer simulations show that stars of the Milky Way's halo originated in older galaxies torn apart by collisions. Cynthia Graber reports
Datum: 30.06.2010 15:00 •
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Soccer penalty kickers wearing motion sensors revealed that subtle body cues can give away which side of the net they're shooting for. Karen Hopkin reports
Datum: 29.06.2010 13:41 •
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A CDC study of 4,000 adults found that more than 90 percent ate more sodium than recommended levels. Cynthia Graber reports.
Datum: 28.06.2010 18:12 •
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Portions of the San Andreas fault seem to self-lubricate with a clay layer that's deposited by fluid seeping through cracks opened by fault movement. Christopher Intagliata reports
Datum: 25.06.2010 17:20 •
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Mice with a genetic predisposition to get a Crohn's-like disease were kept healthy until exposed to a virus that apparently triggers the condition. Karen Hopkin reports
Datum: 24.06.2010 16:58 •
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Astrophysicists put the upper limit of the mass of the neutrino at 0.28 electron volt, based on the distribution of galaxies according to the 3-D Mega Z map. Steve Mirsky reports
Datum: 23.06.2010 18:19 •
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A small study finds that C-section babies pick up different microbial starter communities than do babies delivered vaginally. Karen Hopkin reports
Datum: 22.06.2010 13:26 •
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An average-looking man's chances of getting women's phone numbers after flirting doubled when the women had just heard romantic music. Cynthia Graber reports
Datum: 21.06.2010 18:34 •
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A 4 percent decrease in forest was associated with a nearly 50 percent rise in malaria cases in western Brazil. Christopher Intagliata reports
Datum: 18.06.2010 15:12 •
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Soccer generates fewer performance statistics than does a sport such as baseball. A network analysis approach enables researchers to gauge the value of individual players. Cynthia Graber reports
Datum: 17.06.2010 05:03 •
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Study subjects were able to accurately assess men's physical strength based only on listening to them speak. Karen Hopkin reports
Datum: 16.06.2010 14:49 •
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A reanalysis of samples brought back from the moon makes researchers think the magma that gave rise to moon rocks may have contained water, and that water may still exist under the moon's surface. Karen Hopkin reports
Datum: 15.06.2010 15:11 •
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Subjects consistently misjudge the dimensions of their own hidden hand, with the less sensitive hand regions being the site of the largest errors. Karen Hopkin reports
Datum: 14.06.2010 19:57 •
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Players in the World Cup soccer tournament, now underway in South Africa, will have to contend with low oxygen levels at high altitude--and with a new ball, which its scientist creators say is the roundest one ever. Steve Mirsky reports
Datum: 11.06.2010 14:50 •
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Spectroscopic analysis of vodkas finds that brands differ in the clustering of ethanol molecules in cages of water molecules, which could account in part for customer preferences. Karen Hopkin reports
Datum: 10.06.2010 14:22 •
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When a bubble bursts, the skin shards fold in, temporarily forming a next generation of higher-pressure smaller bubbles. Karen Hopkin reports
Datum: 09.06.2010 18:57 •
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People report that spending time in nature increases their feelings of energy and vitality. And it looks like nature is the key, not just the physical activity one often engages in when outside. Karen Hopkin reports
Datum: 08.06.2010 13:17 •
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Butterfly wing scales appear different colors because of the way their structures reflect light. Researchers have duplicated the scale structures. One possible application: producing money that's harder to counterfeit. Cynthia Graber reports
Datum: 07.06.2010 13:24 •
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Hospital deaths due to medication errors spike in July in counties with teaching hospitals, pointing to an association with the presence of new medical residents. Karen Hopkin reports
Datum: 04.06.2010 13:17 •
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People take cars for walkable trips in part because such trips are boring and unattractive. Better design of the urban environment could create more pedestrians. Karen Hopkin reports
Datum: 03.06.2010 11:30 •
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Using shadows rather than light, researchers developed an experimental system for imaging cells that attaches to a cell phone and sends the data to diagnostic centers. Cynthia Graber reports
Datum: 02.06.2010 13:16 •
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For at least 1,500 years, Chinese masons have mixed sticky rice soup into their mortar for extra strength. Chemists now know why. Karen Hopkin reports
Datum: 01.06.2010 14:37 •
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In mice, inserting and rotating acupuncture needles releases adenosine, which blocks pain signals. Karen Hopkin reports
Datum: 30.05.2010 18:24 •
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Weather balloon data show that the tiny particles within plumes of volcanic ash are constantly generating electrical charge, changing the behavior of the particles and posing a threat to aircraft. Steve Mirsky reports
Datum: 28.05.2010 05:03 •
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Nobel laureate Mario Capecchi's University of Utah research group has reversed a behavioral disorder in mice with a bone marrow transplant, establishing a link between immune cells and psychiatric disorders. Steve Mirsky reports
Datum: 27.05.2010 16:55 •
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A quick look at some of the organisms named to the list of most interesting species first discovered in 2009. Karen Hopkin reports
Datum: 26.05.2010 15:08 •
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Researchers put a number on how much seawater the world has, based on new data about the shape of the ocean floor. Cynthia Graber reports
Datum: 25.05.2010 12:40 •
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Studies of individuals' personal phone networks show that the network diversity seems to be a factor in the strength of the local economy. Karen Hopkin reports
Datum: 24.05.2010 16:14 •
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Because the brain anticipates dialogue in a conversation, overheard cell phone calls really are more annoying than an overheard dialogue. Karen Hopkin reports
Datum: 21.05.2010 14:30 •
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Students who listened to different chords rated as more pleasing the ones that Westerners think of as harmonious, the individual notes of which have definite mathematical relationships. Christopher Intagliata reports
Datum: 20.05.2010 16:57 •
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Entomophagist David Gracer advocates the addition of insects to the menu. Cynthia Graber reports
Datum: 19.05.2010 14:52 •
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The rise of HIV followed the cessation of widespread smallpox vaccination. A small study hints at a possible connection. Steve Mirsky reports
Datum: 18.05.2010 13:53 •
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Coral larvae in the open ocean find their way to existing coral in part by following the sounds of the animals living there. Cynthia Graber reports
Datum: 17.05.2010 14:44 •
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Fungi with previous experience in bioremediation show promise for breaking down BPA, an endocrine disruptor, and plastics that contain it. Cynthia Graber reports
Datum: 14.05.2010 13:55 •
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The new distributed computing project MoonZoo (MoonZoo.org) enlists nonscientists to generate data about the moon using newly available high-res images. Cynthia Graber reports
Datum: 13.05.2010 15:10 •
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A team from Stanford University took the annual M.I.T. Clean Energy Prize, and $200,000, for coming up with a cheap, flexible photovoltaic electrode. Cynthia Graber reports
Datum: 12.05.2010 15:12 •
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New guidelines governing research on potential bioweapons after 9/11 have cut down the number of research papers published per funding dollar. Cynthia Graber reports
Datum: 11.05.2010 11:45 •
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A recent study suggests that washing our hands after making a decision can keep us from second-guessing our choice. Karen Hopkin reports
Datum: 10.05.2010 05:00 •
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Recent research shows that laughter can produce the same health benefits as physical exercise. Karen Hopkin reports
Datum: 07.05.2010 12:00 •
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A new research tool using light allows scientists to watch individual brain cells react in real time. Christie Nicholson reports
Datum: 06.05.2010 15:00 •
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New research shows that even just five minutes of exercise in a natural setting can significantly boost your mood. Cynthia Graber reports
Datum: 05.05.2010 12:00 •
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It wasn't just their thick fur that allowed the mammoths to survive the bitter cold--it was also their blood. Christopher Intagliata reports
Datum: 04.05.2010 12:00 •
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The brain's auditory cortex reacts to and categorizes stimuli even when you only see the sound being produced and can't hear it. Karen Hopkin reports
Datum: 03.05.2010 05:03 •
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Aphids are the only animals that produce their own carotenoids--and they stole the genes to do it directly from a fungus in the distant evolutionary past. Steve Mirsky reports
Datum: 30.04.2010 16:38 •
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Spectroscopic analysis of the asteroid 24 Themis reveals it to be coated in a thin layer of water ice, confirming long-held suspicions of water on the rocky bodies. Karen Hopkin reports
Datum: 29.04.2010 12:51 •
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Climate change could drive wide temperature differences between mountain ridges and valleys below in, for example, the Oregon Cascades. Christopher Intagliata reports
Datum: 28.04.2010 13:14 •
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A still-useful laser reflector, Lunokhod 1, left on the moon in 1970 and missing since 1971 has finally been spotted by researchers at the U.C. San Diego, working with NASA images. Cynthia Graber reports
Datum: 27.04.2010 13:58 •
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Finding an innocuous banned object may lead searchers to be lax in the rest of their search for more dangerous items. Cynthia Graber reports
Datum: 26.04.2010 16:08 •
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Prevention of infectious diseases in specific regions may be a better strategy than trying to develop a cure. Karen Hopkin reports
Datum: 23.04.2010 15:38 •
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Just thinking about fast food made study subjects read faster and opt for immediate gratification. Karen Hopkin reports
Datum: 22.04.2010 14:51 •
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Women who are not anorexic or bulimic had brain activity similar to that of women with eating disorders when they viewed images of overweight women. Men showed no analogous reaction. Cynthia Graber reports
Datum: 21.04.2010 15:02 •
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A high-fat diet consumed by female rats was associated with a greater risk of breast cancer in her next two generations of female progeny, who ate a normal diet. Cynthia Graber reports
Datum: 20.04.2010 11:33 •
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Using a questionnaire designed to test for substance addiction, researchers determined that some regular users of indoor tanning salons are tanning addicts. Christopher Intagliata reports
Datum: 19.04.2010 20:57 •
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An invading species that harbors parasites may have a bigger predatory impact on its new environment than invaders that are parasite-free. Karen Hopkin reports
Datum: 16.04.2010 12:07 •
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Add the high-energy x-rays at the European Synchrotron Radiation Facility to the soft brushes and delicate drills paleontologists use to examine fossil finds. Cynthia Graber reports
Datum: 15.04.2010 16:02 •
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Scientific American's 2006 researcher of the year, M.I.T.'s Angela Belcher, has engineered a virus so that it captures light energy and uses it to catalyze the splitting of water, a first step in a possible new way to generate hydrogen for fuel cells. Cynthia Graber reports
Datum: 14.04.2010 15:05 •
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Kids with the genetic condition called Williams syndrome have no social anxiety and are highly gregarious--and also exhibit no racial bias in standard social-bias experiments. Adam Hinterthuer reports
Datum: 13.04.2010 05:03 •
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In a 20-year study, increased soda prices were associated with lower caloric intake and better insulin resistance in young adults. Steve Mirsky reports
Datum: 12.04.2010 13:33 •
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Researchers have found in the deep ocean the first-known kinds of multicellular organisms, dubbed Loricifera, that live completely oxygen-free. Cynthia Graber reports
Datum: 09.04.2010 14:55 •
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Japanese people have bacteria in their guts that produce enzymes, which help digest seaweed. North Americans lack the same systems. Karen Hopkin reports
Datum: 08.04.2010 05:03 •
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Medical errors are common. Drug-delivery devices that flag nonsensical number entry could prevent a large fraction of hospital-based errors and perhaps deaths. Karen Hopkin reports
Datum: 07.04.2010 13:40 •
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Truffles play a part in environmental research, by attracting animals that scientists need to observe. Steve Mirsky reports
Datum: 06.04.2010 16:21 •
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In driving simulations tests, 2.5 percent of subjects could talk on the phone and still operate their "vehicle" safely. Steve Mirsky reports
Datum: 05.04.2010 14:39 •
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Waterborne and insect-transmitted infectious diseases get a big boost from climate change. Steve Mirsky reports
Datum: 02.04.2010 14:39 •
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Hyenas' individual giggling styles actually send status cues to the rest of the group. Christopher Intagliata reports
Datum: 01.04.2010 11:45 •
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Veteran women life science researchers in positions of authority and with similar resumes as their male counterparts still make significantly less money. Cynthia Graber reports
Datum: 31.03.2010 15:08 •
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Most four-legged animals drive forward with their rear legs and stop with their front legs. But elephants use all four limbs to accelerate and brake. Karen Hopkin reports
Datum: 30.03.2010 13:29 •
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Songbird bones may be hollow, but they're actually denser than the bones of mammals of the same size. The resulting strength and stiffness is what you want in an airframe. Karen Hopkin reports
Datum: 29.03.2010 15:21 •
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A company says it has developed a polymer roof coating that will keep buildings cooler in summer and warmer in winter. Cynthia Graber reports
Datum: 26.03.2010 13:09 •
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A study in the International Journal of Obesity uncovers a trend toward larger portion size in depictions of the Last Supper. Karen Hopkin reports
Datum: 25.03.2010 11:42 •
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In a study presented at the meeting of the American Chemical Society, researchers revealed how atmospheric atomic bomb testing changed carbon isotope ratios, allowing easy identification of vintages of wines bottled in the years testing went on. Cynthia Graber reports
Datum: 24.03.2010 13:39 •
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In a study presented at the meeting of the American Chemical Society, food chemists found that dark roasting coffee produces a chemical compound that keeps stomach cells from producing the excess acid often caused by coffee drinking. Christopher Intagliata reports
Datum: 23.03.2010 12:53 •
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In a study in the journal Science, researchers conclude that large communities required rules of fairness with nonfamily members, accomplished through markets and religions. Cynthia Graber reports
Datum: 22.03.2010 13:54 •
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In a mouse study in the journal Science, researchers identify brain changes that interfere with learning and memory during puberty. Karen Hopkin reports
Datum: 19.03.2010 13:32 •
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In a study in the journal Current Biology, researchers show that reindeer, and probably other Arctic animals, go without a circadian clock in an environment of weeks-long day or night. Christopher Intagliata reports
Datum: 18.03.2010 13:41 •
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At the American Museum of Natural History on March 15, retired Air Force Gen. Lester Lyles talked about how the military came to understand during the first Iraq war the importance of spacefaring capability for everything involved in conducting its operations. Steve Mirsky reports
Datum: 17.03.2010 05:03 •
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In a study in Proceedings of the National Academy of Sciences, researchers note that we each carry a unique microbial community--and that the bacterial residue we leave could be used to make forensic identifications. Karen Hopkin reports
Datum: 16.03.2010 12:52 •
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Long a proponent of including nonscientific creationism in the biology curriculum, the Texas State Board of Education last week further illustrated its willingness to sacrifice accuracy for ideology by excluding Thomas Jefferson from a list of influential historical figures. Steve Mirsky reports
Datum: 15.03.2010 16:15 •
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In a study in the Journal of Applied Psychology, researchers found that the Monday after the change to daylight saving time is marked by an increase in work-related injuries. Steve Mirsky reports
Datum: 12.03.2010 18:30 •
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Speaking March 10th at the 92nd Street Y's Tribeca site in New York City, Scientific American MIND contributing editor Robert Epstein discussed how arranged marriages can surpass love matches for long-term contentment. Steve Mirsky reports
Datum: 11.03.2010 15:30 •
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In a study in the American Journal of Physiology--Regulatory, Integrative and Comparative Physiology, researchers report a novel method for killing disease-carrying mosquitoes: interfere with their urination. Cynthia Graber reports
Datum: 10.03.2010 14:50 •
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In a paper in the journal Trends in Endocrinology and Metabolism, researchers argue that getting fat is the body's way of storing fat correctly, and that metabolic problems kick in when we get so fat that fat infiltrates organs not equipped to deal with it. Karen Hopkin reports
Datum: 09.03.2010 13:10 •
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A study in the Journal of Marketing shows that shoppers are not good at estimating the total cost of what they have in their shopping carts. Karen Hopkin reports
Datum: 08.03.2010 13:27 •
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A study in the journal Molecular Ecology looked at West Nile Virus spread versus bird migration patterns and mosquito movement and concluded mosquitoes, not birds, were probably the primary vector for taking the disease coast to coast in just five years. Adam Hinterthuer reports
Datum: 05.03.2010 14:40 •
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A study in the journal Academic Medicine shows that millions of dollars and pounds of refuse can be saved by recycling some medically related waste that often gets thrown away without even being used. Cynthia Graber reports
Datum: 04.03.2010 05:03 •
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A study in the journal Science shows that bony fish filter-feeders spent 100 million years developing and occupying the niche that baleen whales do now. Another Science study finds that whale diversity has been determined by the types of tiny organisms they eat. Cynthia Graber reports
Datum: 03.03.2010 05:03 •
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A study in the Proceedings of the National Academy of Sciences looked at the survival rates of men, woman and children from the Titanic and the Lusitania, and found more men stayed alive when the ship went down fast, and panic overtook chivalry. Karen Hopkin reports
Datum: 02.03.2010 05:20 •
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A study in the Journal of the Royal Society Interface found that as mammalian animals increase in size, their feet do not scale up accordingly--but there is a general increase in the stiffness of the footpad. Karen Hopkin reports
Datum: 01.03.2010 14:10 •
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A study in the journal Public Library of Science ONE finds that chickens have additional retinal cones compared with us, which allows them to discern additional colors. Karen Hopkin reports
Datum: 26.02.2010 15:43 •
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At the recent meeting of the American Association for the Advancement of Science, Stony Brook University's Robert Crease talked about how a 1999 article in Scientific American on Brookhaven National Laboratory's Relativistic Heavy Ion Collider and a future Nobel laureate got a few people thinking th...
Datum: 25.02.2010 05:03 •
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Naps help move new info from short-term memory storage in the hippocampus to long-term storage in the cortex, said U.C. Berkeley's Matthew Walker at the annual meeting of the American Association for the Advancement of Science in San Diego on February 21. (In other words, zzzz's help the three R's.)...
Datum: 24.02.2010 16:58 •
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Intercontinental dust helps fertilize lush forests in the Western Hemisphere and Hawaii, noted Oliver Chadwick of the University of California, Santa Barbara, at the annual meeting of the American Association for the Advancement of Science in San Diego on February 19th. Steve Mirsky reports
Datum: 23.02.2010 05:03 •
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Speaking at the annual meeting of the American Association for the Advancement of Science, James McCarthy of the Harvard Medical School Center for Health and the Global Environment noted that the IPCC usually errs on the conservative side. Steve Mirsky reports
Datum: 22.02.2010 13:46 •
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A study in the journal Biology Letters finds that male finches prefer dining next to a sick bird despite the risk of infection, probably because the lethargic companion is less likely to engage in food fights. Karen Hopkin reports
Datum: 19.02.2010 05:03 •
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The 1969 Murchison meteorite was known to harbor complex organic compounds, but a new analysis in Proceedings of the National Academy of Sciences finds that it may also contain millions of chemicals and shed light on the timeline of the kinds of chemistry that went on in a much earlier universe. Ada...
Datum: 18.02.2010 05:03 •
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New analysis of the mummy of King Tut, published in the Journal of the American Medical Association, shows that the boy king had severe bone disease and malaria. Christopher Intagliata reports
Datum: 17.02.2010 05:05 •
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A study in the Proceedings of the National Academy of Sciences followed a small group of high-functioning people with autism and found that they responded more to social cues when given the hormone oxytocin. Karen Hopkin reports
Datum: 16.02.2010 12:28 •
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A study in the journal Nature Materials details the creation of a nanowire-based technology that absorbs solar energy at comparable levels to currently available systems while using only 1 percent of the silicon material needed to capture photons. Cynthia Graber reports
Datum: 15.02.2010 13:42 •
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A study in the Journal of Experimental Biology looked at the energetics of walking the way most other animals do, that is, on either the balls of the feet or on the toes. Walking heel to toe is, for humans, much more efficient. Karen Hopkin reports
Datum: 12.02.2010 05:12 •
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Writing in the journal Science, researchers note that helping developing countries' small farmers find ways to make better use of marginal land and cope with overfarmed fields is key to feeding the world's poorest people. Cynthia Graber reports
Datum: 11.02.2010 22:10 •
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A study in the Journal of Applied Physiology finds that a small percentage of people--identifiable genetically--get little fitness benefit from aerobic exercise. Karen Hopkin reports
Datum: 10.02.2010 11:42 •
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A study in the journal NeuroQuantology found that people forced to wait, for example in line, experienced the time spent as being far less if they were amused and distracted. Cynthia Graber reports
Datum: 09.02.2010 05:05 •
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A study in the journal Psychological Science indicates that people who had facial muscles deadened with botox had difficulty processing negative emotions. Karen Hopkin reports
Datum: 08.02.2010 15:17 •
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Researchers writing in the journal Science discuss the threat to athletic integrity posed by genetic doping--gene therapy to enhance performance--as well as efforts to test for it. Cynthia Graber reports
Datum: 05.02.2010 14:42 •
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In a report in the Journal of Roman Archaeology, researchers announce the discovery of a body of an east Asian man, buried in Italy two millennia ago. Christopher Intagliata reports
Datum: 04.02.2010 05:04 •
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A study in the Proceedings of the Royal Society finds that reacting to a movement, such as being drawn on in a gunfight, is faster than initiating the movement. Steve Mirsky reports
Datum: 03.02.2010 17:41 •
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A study in the journal Current Biology finds that bonobo chimps have delayed development of social behavior--which keeps them, well, nice. Karen Hopkin reports
Datum: 02.02.2010 05:03 •
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A report in the Journal of Experimental Biology finds that bees can be trained to recognize human faces. Their bee brains could inform computerized efforts at facial recognition. Cynthia Graber reports
Datum: 01.02.2010 15:08 •
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A report in the journal Science explains how bdelloid rotifers, which reproduce asexually, clear parasitic infections by drying out to kill the freeloader. Karen Hopkin reports
Datum: 29.01.2010 13:57 •
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In a study in the journal Nature researchers created a "pseudo gap," in which electrons in superconducting materials line up just before flowing resistance-free. Sonya Buyting reports
Datum: 28.01.2010 12:55 •
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A study in the journal Psychonomic Bulletin and Review finds that not only does talking interfere with driving skills, the act of driving makes listening a much harder task. Karen Hopkin reports
Datum: 27.01.2010 15:33 •
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Studies in the journals Geology and Earth-Science Reviews reveal that ancient rivers were broad straight sheets of water. Colonization by plants changed the water flow. Adam Hinterthuer reports
Datum: 26.01.2010 13:37 •
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A study in the Journal of Consumer Marketing finds that men are less likely than women to ask for expert advice when shopping, in this case for wine. Karen Hopkin reports
Datum: 25.01.2010 13:32 •
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A study in the journal Analytical Chemistry finds that the black eyeliner worn by ancient Egyptians may have had properties that helped ward off eye-damaging bacterial infections. Cynthia Graber reports
Datum: 22.01.2010 13:42 •
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A study in the Proceedings of the National Academy of Sciences used genomic analysis of modern humans to reveal that the population of our ancestors a million years back was below 20,000. Karen Hopkin reports
Datum: 21.01.2010 14:40 •
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A study in the Proceedings of the National Academy of Sciences found that French fries from national chain restaurants tend to be fried in corn oil, which is a less healthful alternative than other vegetable oils. Karen Hopkin reports
Datum: 20.01.2010 14:38 •
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A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports
Datum: 19.01.2010 13:08 •
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In a study in the Journal of Injury, Function and Rehabilitation, researchers found that running shoes protected the feet, but at the expense of hips, knees and ankles. Molly Webster reports
Datum: 18.01.2010 13:32 •
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In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen Hopkin reports
Datum: 15.01.2010 07:07 •
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In a study in the Proceedings of the Royal Society, researchers adjusted animals' sounds for body size and metabolic rate, and found a surprising similarity of normalized calls throughout the animal kingdom. Karen Hopkin reports
Datum: 14.01.2010 15:45 •
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A study in the American Heart Association journal Circulation finds that cardiovascular disease rates rise with average daily TV viewing times--even if you're physically fit. Adam Hinterthuer reports
Datum: 13.01.2010 13:38 •
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A study in the journal New Phytologist confirms the gardener's belief that droplets of water resting on some types of leaves can focus sunlight until the plant's surface actually burns. Karen Hopkin reports
Datum: 12.01.2010 11:43 •
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Even some blind people are sensitive to light when enduring a migraine. In a study in the journal Nature Neuroscience, researchers studied blind people, and found a group of neurons that gets activated during a migraine, which could lead to treatments. Cynthia Graber reports
Datum: 11.01.2010 15:02 •
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In a study in the American Journal of Physical Anthropology, researchers showed that macaques that live side by side with humans in Nepal show elevated lead levels in their bodies. The human population is thus probably also being exposed to unsafe lead. Cynthia Graber reports
Datum: 08.01.2010 14:05 •
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In an article in the journal Science, Tufts University astronomer Kenneth Lang catalogues the discoveries about our universe that were made by happy accident. Karen Hopkin reports
Datum: 07.01.2010 13:23 •
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The Human Spark, a three-part PBS series hosted by Alan Alda and debuting January 6th, looks at what makes humans the exceptionally unusual animals we are. Steve Mirsky reports
Datum: 06.01.2010 05:05 •
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A study in the journal Science finds that animals that use mimicry--for example, an insect closely resembling a twig--are indeed seen and ignored by predators, not merely missed by them as a camouflaged insect would be. Karen Hopkin reports
Datum: 05.01.2010 12:32 •
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A study in the journal Computers & Graphics finds that computer programs for identifying works of art fall far short of even nonexpert human judges, because of our ability to psychologically evaluate scenes. Molly Webster reports
Datum: 04.01.2010 15:46 •
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A paper in the Journal of the American Medical Association points out that many implantable cardiovascular devices appear to get FDA premarket approval without what the authors consider to be sufficient published test results. Cynthia Graber reports
Datum: 01.01.2010 17:09 •
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The journal Nature Methods is calling its "Method of the Year" the technique that now allows researchers to take an adult cell and make it behave as a pluripotent stem cell, which can become any kind of differentiated body cell. Cynthia Graber reports
Datum: 31.12.2009 13:32 •
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Working with professional gene sequencers, high school students Brenda Tan and Matt Cost identified food frauds and unusual animal species in the city. The research will appear in the journal BioScience. Adam Hinterthuer reports
Datum: 30.12.2009 07:27 •
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A study in the Proceedings of the National Academy of Sciences finds that endocannabinoids, compounds naturally found in the body related to pot's active ingredient, could inform the effort to control appetite. Cynthia Graber reports
Datum: 29.12.2009 15:19 •
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A study in the Electronic Journal of Research In Educational Psychology found that students who worked out math problems out loud got more accurate results, and faster. Karen Hopkin reports
Datum: 28.12.2009 15:32 •
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A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports
Datum: 24.12.2009 05:40 •
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A study in the Journal of Communication found that women who engage in a role-playing game online actually spend more time in the alternate reality than the guy players do. Karen Hopkin reports
Datum: 23.12.2009 05:05 •
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A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the water molecules shielding the rest. Cynthia Graber reports
Datum: 22.12.2009 05:05 •
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A study in the journal Alcoholism: Clinical and Experimental Research finds that lighter colored spirits, such as vodka, may cause lesser hangovers than darker drinks, such as bourbon. Cynthia Graber reports
Datum: 21.12.2009 14:35 •
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Working late into the night, negotiators from the world's nations agreed in principle to attempt to limit the global postindustrial temperature rise to 2 degrees Celsius. Steve Mirsky reports, with Christina Reed in Copenhagen
Datum: 19.12.2009 15:18 •
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A study in the journal Science finds evidence that early modern humans were making use of grains, which required significant processing before eating, 100,000 years ago. Cynthia Graber reports
Datum: 18.12.2009 14:10 •
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A study in the Journal of Neuroscience finds that people with smaller fingers have more sensitive fingertips, probably due to a higher concentration of touch receptors in a given area. Cynthia Graber reports.
Datum: 17.12.2009 13:24 •
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A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system. Molly Webster reports
Datum: 16.12.2009 15:22 •
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A study in the journal Psychological Science finds that if people believe that time has flown, they think they had more fun. Karen Hopkin reports
Datum: 15.12.2009 15:03 •
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A study in the journal Science finds that the gene for anemia-causing G6PD deficiency also protects against malaria, thereby keeping the gene active in populations. Cynthia Graber reports
Datum: 14.12.2009 12:27 •
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A study in the New Journal of Physics finds that writers leave a regular, distinct pattern of how frequently they use new words. Cynthia Graber reports
Datum: 11.12.2009 05:05 •
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A mouse study in the journal Cell finds that a gene in females must remain active throughout her life to keep her ovaries from turning into testes. Karen Hopkin reports
Datum: 10.12.2009 16:53 •
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A study in the journal Angewandte Chemie that looked at the varnish used in Stradivarius instruments found nothing unusual, leading the researchers to conclude that Stradivari was just a master craftsman who had no secret ingredients unknown to other instrument-makers. Steve Mirsky reports
Datum: 09.12.2009 16:50 •
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An animal study in the journal Behavioral Neuroscience finds that coffee after alcohol consumption might merely make the drinker feel more capable, which could lead to bad decision making. Steve Mirsky reports
Datum: 08.12.2009 12:15 •
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On the first day of the Copenhagen climate conference, 56 newspapers publishing in 20 languages in 45 countries publish an unprecedented joint editorial calling for meaningful action to face the threat posed by climate change. Steve Mirsky reports. The editorial: http://bit.ly/71ut8f
Datum: 07.12.2009 15:41 •
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A study in the journal Current Biology finds that backyard bird feeders in Britain are responsible for splitting central European blackcap warblers into two distinct populations that may be on their way to becoming separate species. Karen Hopkin reports
Datum: 04.12.2009 11:37 •
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A study in the journal Astronomy & Astrophysics finds that a distant quasar, powered by a black hole, is building a galaxy that will eventually surround the black hole. Cynthia Graber reports
Datum: 03.12.2009 13:40 •
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A study in the Proceedings of the National Academy of Sciences finds that men's cardiovascular fitness at the age of 18 is a marker for later academic achievement. Karen Hopkin reports
Datum: 02.12.2009 16:00 •
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In a study in the journal Endangered Species Research, shark fins on sale were shown to be from a specific region in which shark populations have collapsed, evidence that may help change fishing regulations. Cynthia Graber reports
Datum: 01.12.2009 14:54 •
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A study in the journal Psychological Science finds that students learning a new language in a total immersion environment had reduced access to their original language. Steve Mirsky reports
Datum: 30.11.2009 15:39 •
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Researchers at U.C. San Diego and San Diego State University have imaged whale skulls in an attempt to determine the effects of sonar on whale hearing. Cynthia Graber reports
Datum: 27.11.2009 16:48 •
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Designing wind farms with close packing of turbines, based on schooling fish, could greatly increase efficiency, say researchers at a meeting of the Division of Fluid Dynamics of the American Physical Society. Cynthia Graber reports
Datum: 26.11.2009 18:40 •
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A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports
Datum: 25.11.2009 16:57 •
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A study in the Journal of Marketing Research finds that the traditional Thanksgiving meal may affect brain chemistry in such a way as to lessen the likelihood of impulse buying during Black Friday's store sales. Karen Hopkin reports
Datum: 24.11.2009 15:40 •
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A study in the journal Environmental Health Perspectives finds that cigarettes harbor various species of bacteria, some of which cause disease. Karen Hopkin reports
Datum: 23.11.2009 14:53 •
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A study in the American Journal of Botany finds that plants can tell if they're next to a relative and will grow to allow the kin more access to light. Cynthia Graber reports
Datum: 20.11.2009 18:38 •
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A study in the journal Science found that sleeping after learning consolidated the acquisition of the new information, especially if sound cues related to the info were played to the sleeper. Karen Hopkin reports
Datum: 19.11.2009 18:55 •
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A study in the Journal of the American Medical Association finds that multiple ancient Egyptian mummies show signs of atherosclerosis. Karen Hopkin reports
Datum: 18.11.2009 12:12 •
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Anti-evolutionist Ray Comfort will be distributing copies of the Origin of Species with a new introduction that misrepresents, misunderstands and distorts Darwin's ideas and legacy. Steve Mirsky comments
Datum: 17.11.2009 05:05 •
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In a study in the journal Nature Geoscience, M.I.T. researchers identify what they believe is the sequence of events whereby arsenic trapped in the sediment of the Ganges Delta is finding its way into the drinking water supply of Bangladesh. Cynthia Graber reports
Datum: 16.11.2009 14:29 •
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Arizona State University and Northern Arizona University want your vote at askabiologist.asu.edu/uglybugs to help them crown the ugliest insect in the world. Adam Hinterthuer reports
Datum: 13.11.2009 13:14 •
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A study in the journal Cell shows that the formation of new memories requires the movement of other memories located in the hippocampus to long-term storage in the neocortex. Karen Hopkin reports
Datum: 12.11.2009 16:57 •
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A study in the journal Analytical Chemistry identifies various organic compounds that old books give off and that can be analyzed noninvasively, offering important clues to an historic work's condition and prognosis. Steve Mirsky reports
Datum: 11.11.2009 15:26 •
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A study in the Proceedings of the National Academy of Sciences finds that brain chemicals linked to addiction are in play with a high-sugar diet, and a study in the Archives of Internal Medicine shows that a high-carb diet had lasting mood-elevation effects. Cynthia Graber reports
Datum: 10.11.2009 14:55 •
Größe: 1.1 MB
A study in the journal Science looks at Heliconius butterflies in Ecuador, in which a single gene change that influences mate choice may be the first step in the splitting of the population into two species. Cynthia Graber reports
Datum: 09.11.2009 14:47 •
Größe: 1.1 MB
A study in the journal Current Biology finds that babies, because they listen in the womb, cry in distinctive ways that reflect the language spoken by their parents. Karen Hopkin reports, with commentary by Christopher Hopkin
Datum: 06.11.2009 16:51 •
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A study in the Journal of Experimental Biology finds that successful sprinters have longer toes and Achilles tendons that produce less leverage than non-athletes of similar height. Karen Hopkin reports
Datum: 05.11.2009 14:24 •
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A study in the journal Psychological Science finds that people who hear someone nearby sneezing become more concerned in general, not just about catching a cold or flu. Karen Hopkin reports
Datum: 04.11.2009 13:00 •
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A study with roundworms in the journal Cell Metabolism found that a diet rich in sugar offset a mutation that ordinarily doubled the worms' life spans. Rachel Kremen reports
Datum: 03.11.2009 16:55 •
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A study presented at CHEST 2009, the meeting of the American College of Chest Physicians, found that golfers with apnea who got treatment lowered their handicaps by as much as three strokes. Steve Mirsky reports
Datum: 02.11.2009 17:55 •
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A study in the journal Behavioural Processes finds that dogs cannot reliably tell if someone is fibbing to them. Karen Hopkin reports
Datum: 30.10.2009 14:16 •
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A study in the journal Science Translational Medicine details a new procedure for making damaged, donated lungs functional, potentially doubling the number of lungs available for transplant. Cynthia Graber reports
Datum: 29.10.2009 14:00 •
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A study in the journal Psychological Science finds that people in a room recently sprayed with citrus-scented cleanser were fairer and more generous than a control group. Cynthia Graber reports
Datum: 28.10.2009 11:39 •
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A study in the Annals of Behavioral Medicine finds that the ratio of TV sets to exercise equipment in the home is predictive of weight loss success. Karen Hopkin reports
Datum: 27.10.2009 14:27 •
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A study in the Proceedings of the National Academy of Sciences finds that Americans could easily cut carbon emissions by more than France's entire output. Karen Hopkin reports
Datum: 26.10.2009 14:55 •
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A study in the Journal of Infectious Diseases finds that one major advantage of being warm-blooded is that the great majority of fungi cannot infect us. Karen Hopkin reports
Datum: 23.10.2009 13:15 •
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In a study published in the Journal of Agricultural and Food Chemistry, researchers found that red wine only clashes with fish if the wine has high levels of iron. Steve Mirsky reports
Datum: 22.10.2009 15:23 •
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In a study presented at the annual meeting of the Society for Neuroscience, researchers found that mice that were exposed to light all night long showed signs of depression. Karen Hopkin reports
Datum: 21.10.2009 15:35 •
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In a study presented at the annual meeting of the Society for Neuroscience, researchers reported that older adults exposed to Web surfing for the first time showed increased brain activity in regions associated with language and working memory. Karen Hopkin reports
Datum: 20.10.2009 15:18 •
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In a study in the journal Science, researchers analyzed the inner workings of Broca's area, long known as the brain's speech center, in pre-op brain surgery patients. Cynthia Graber reports
Datum: 19.10.2009 05:05 •
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In a study in the journal Science, researchers found that the taste buds for sensing sour also respond to carbonated beverages, because the fizz gets turned into chemical components, one of which is protons--basically simple, sour acid. Karen Hopkin reports
Datum: 16.10.2009 05:05 •
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In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports
Datum: 15.10.2009 18:57 •
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Comedian Bill Maher advises against vaccinations. But actress Amanda Peet--and Dr. Bill Frist--have it right: vaccines are good. Steve Mirsky comments
Datum: 14.10.2009 12:02 •
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In a study in the journal Current Biology, researchers report the discovery of an unusual spider, Bagheera kiplingi, that eschews meat and chews acacia tips. Karen Hopkin reports
Datum: 13.10.2009 13:04 •
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In a study in the journal Cell Metabolism, some mice given antioxidants were more likely to become diabetic, because free radicals help muscle cells respond to insulin. Karen Hopkin reports
Datum: 12.10.2009 14:15 •
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In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cynthia Graber reports
Datum: 09.10.2009 15:03 •
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In a study in the journal Trends in Ecology and Evolution, researchers note that the birth control pill may change a woman's choice in whom she finds attractive. Cynthia Graber reports
Datum: 08.10.2009 14:50 •
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The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan, Thomas Steitz and Ada Yonath for studies of the protein-manufacturing ribosome, with implications for antibiotic development. Steve Mirsky reports
Datum: 07.10.2009 11:58 •
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The 2009 Nobel Prize in physics goes to Charles Kao of Standard Communications Labs in England and the Chinese University of Hong Kong for the invention of practical optical fiber communication, and George Smith and Willard Boyle of Bell Labs in New Jersey, for inventing the charge-coupled device, t...
Datum: 06.10.2009 11:56 •
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The 2009 Nobel Prize in physiology or medicine goes to Harvard's Jack Szostak, Johns Hopkins's Carol Greider and Elizabeth Blackburn at U.C. San Francisco, for their work on telomeres and telomerase. Steve Mirsky reports
Datum: 05.10.2009 12:03 •
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A study in the Journal of Moral Education finds that parents lie to children regularly, to influence behavior
Datum: 05.10.2009 00:00 •
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On the eve of the Nobel Prize announcements, the Ig Nobel Prizes were awarded at Harvard, for studies into knuckle-cracking and other vital medical and scientific research. Karen Hopkin retorts
Datum: 02.10.2009 14:25 •
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A study in the journal American Surgeon finds that trauma victims who were inebriated at the time of their injury have higher survival rates than their sober counterparts. Rachel Kremen reports
Datum: 01.10.2009 05:15 •
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A study in the Proceedings of the National Academy of Sciences finds that the population life expectancy actually increased during the Great Depression. Karen Hopkin reports
Datum: 30.09.2009 05:05 •
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A study in the Proceedings of the National Academy of Sciences finds that champagne's bursting bubbles provide aromatic compounds that add to the taste. Adam Hinterthuer reports
Datum: 29.09.2009 12:53 •
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Irish teenagers Eimear O'Carroll and Rhona Togher have developed a treatment they hope will help people with tinnitus, an unpleasant ringing in the ears. Cynthia Graber reports
Datum: 28.09.2009 15:03 •
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A study in the journal Science shows that monarch butterflies' sun-related directional sensing is governed by antennae, not the brain. Cynthia Graber reports
Datum: 25.09.2009 05:53 •
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Studies in the journal Science report that instruments on three different spacecraft have found evidence for widespread trace amounts of water on the moon. Karen Hopkin reports
Datum: 24.09.2009 05:05 •
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A study with animals in the Proceedings of the National Academy of Sciences shows that alcohol abuse in adolescence leads to a lifetime of poor decision-making skills. Karen Hopkin reports
Datum: 23.09.2009 14:30 •
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In the journal Public Library of Science ONE, researchers report that listening to scary music with eyes shut may intensify the emotional experience. Cynthia Graber reports
Datum: 22.09.2009 13:45 •
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In the journal Trends in Cognitive Sciences, psychologist Share O'Mara notes that torture can interfere with the brain's memory retrieval apparatus, making it counterproductive to the aim of producing useful information. Karen Hopkin reports
Datum: 21.09.2009 16:56 •
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In a study in the journal Science, researchers announce the discovery of a dinosaur 125 million years older and one ninetieth the size of T. Rex, but having virtually the same body plan as the giant dino. Cynthia Graber reports
Datum: 18.09.2009 13:27 •
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In a study presented at the European Planetary Science Conference in Potsdam, researchers proposed that salt deposits on the early Earth's volcanic coasts enabled the conversion of amino acids into other important molecules for the start of life. Cynthia Graber reports
Datum: 17.09.2009 15:09 •
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In a study in the journal Nature, researchers report that they have used gene therapy to cure a form of color-blindess in adult squirrel monkeys that lack a visual pigment. Karen Hopkin reports
Datum: 16.09.2009 17:55 •
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A report in the Journal of Applied Gerontology shows that elderly people often discuss health issues with hairdressers, who could encourage clients to seek medical attention. Karen Hopkin reports
Datum: 15.09.2009 12:50 •
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A report in the journal IEEE Transactions on Nanotechnology shows that maple trees generate a small, but measurable amount of electricity, which can power tiny devices. Karen Hopkin reports
Datum: 14.09.2009 11:43 •
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A report in the journal Science announces the finding of the oldest known human-fashioned threads, left in a cave by the Caucasus mountains about 34,000 years ago. Cynthia Graber reports
Datum: 11.09.2009 16:43 •
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A National Oceanic & Atmospheric Administration expedition has located a naval vessel lost off North Carolina during World War II's Battle of the Atlantic. Steve Mirsky reports
Datum: 10.09.2009 15:47 •
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A study in the American Journal of Primatology found that chimps wield different tools, each with a specific purpose, when attempting to catch tasty ants. Karen Hopkin reports
Datum: 09.09.2009 12:40 •
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A study in the Journal of Applied Cognitive Psychology shows that handwriting tests could give polygraphs a challenge for lie detection. Cynthia Graber reports
Datum: 08.09.2009 15:12 •
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Allison Beall of the Marshlands Conservancy in Rye, N.Y., led a twilight walk on September 5th to tune in to the insect sounds of the evening. Become more aware of the nocturnal symphony and, in the New York metropolitan area, help scientists count the insects during the "Cricket Crawl" on September...
Datum: 07.09.2009 14:58 •
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Young brains can forget painful memories, but old ones tend not to. An animal study in the journal Science finds that it may be possible to restore the old brain to its younger, more pliable state. Karen Hopkin reports
Datum: 04.09.2009 05:05 •
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A study in the Proceedings of the Royal Society B finds that pigeon wing-flapping produces distinct whistles, which can warn flock-mates, when merely taking off or when actively escaping predators. Karen Hopkin reports
Datum: 03.09.2009 12:50 •
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A study in the journal Biology Letters finds that music based on monkey's own calls has similar effects on them that human music has on us. Cynthia Graber reports
Datum: 02.09.2009 14:56 •
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A study in the Canadian Medical Association Journal finds that recessions in wealthy countries can lead to better health habits, as people spend less on alcohol, tobacco and rich food. Adam Hinterthuer reports
Datum: 01.09.2009 12:06 •
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Astronauts Kevin Ford, Jose Hernandez and the rest of the STS-128 Discovery space shuttle crew have fascinating life stories and solid science and engineering educations. Steve Mirsky reports
Datum: 31.08.2009 15:48 •
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A study in the journal Science finds that just three genes control the wide variety of fur types found on all different breeds of dogs. Karen Hopkin reports
Datum: 28.08.2009 05:05 •
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A report in the journal Nature cites the discovery of a new planet, WASP-18b, which challenges assumptions about tidal interactions--it's too close and orbiting too fast not to have collided with its star, according to current knowledge. Cynthia Graber reports
Datum: 27.08.2009 15:01 •
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The Geek Atlas describes 128 mostly out-of-the-way tourist destinations for people who love science, technology and their history. Cynthia Graber reports
Datum: 26.08.2009 15:19 •
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A study in the Proceedings of the National Academy of Sciences by May Berenbaum and colleagues finds that bee colony collapse disorder seems to be related to bees' ribosomes breaking down, which keeps them from making the proteins they need to deal with stress and disease. Steve Mirsky reports
Datum: 25.08.2009 15:39 •
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A study in the Journal of Evolutionary Biology finds that many more animals have appendixes than was thought, and that the appendix is not merely a remnant of a digestive organ called the cecum. All of which means that the appendix might not be so useless. Steve Mirsky reports
Datum: 24.08.2009 13:45 •
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A study in the journal Nature reports the discovery of rapid-growth genes in rice varieties that can withstand flooding by quickly rising above the new water line. Engineering other strains to include the "snorkel" genes could help rice yields. Karen Hopkin reports
Datum: 21.08.2009 05:05 •
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A study in the journal Current Biology verifies the proposition that people in a featureless environment will wind up walking in circles. Karen Hopkin reports
Datum: 20.08.2009 16:57 •
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August 20th is World Mosquito Day, an effort to remind the public about the continuing threat of malaria and other diseases transmitted by mosquitoes. Steve Mirsky reports
Datum: 19.08.2009 16:10 •
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A study in the Proceedings of the National Academy of Sciences found that researchers deduce social networks with great accuracy simply by analyzing mobile phone use. Karen Hopkin reports
Datum: 18.08.2009 06:15 •
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A study presented at the meeting of the American Chemical Society finds that the vast majority of paper money has trace amounts of cocaine. Cynthia Graber reports
Datum: 17.08.2009 13:25 •
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A study in the journal Science suggests that early humans were fire-treating stone more than 70,000 years ago to make better stone tools. Cynthia Graber reports
Datum: 14.08.2009 14:37 •
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A study in the journal Current Biology finds that Eastern and Western facial expressions related to emotional states may differ enough for possible nonverbal miscommunication. Cynthia Graber reports
Datum: 13.08.2009 12:28 •
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National Institute of Standards and Technology researchers are developing atomic clocks based on the element ytterbium that could outclass cesium atomic clocks, which currently set the standard. Steve Mirsky reports
Datum: 12.08.2009 05:05 •
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Scientists at the U.S. Department of Agriculture's Agricultural Research Service are testing a fungus that could one day be sent into battle against the land-grabbing vine, kudzu. Steve Mirsky reports
Datum: 11.08.2009 16:46 •
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Research done by Harvard's Mahzarin Banaji and San Diego State's Thierry Devos into what's called "implicit social cognition" reveals that white Americans inherently regard white Europeans as somehow more "American" than Asian- or African-Americans, which may help explain why so many people find it ...
Datum: 10.08.2009 17:12 •
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A study in the journal Science shows that mice have specific neurons devoted to the sensation of itch, rather than pain. Cynthia Graber reports
Datum: 07.08.2009 05:05 •
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A study in the journal Current Biology finds that an orchid mimics the alarm chemical signal of bees to attract the bees' predatory wasps, all to get the wasps to pollinate the orchids. Adam Hinterthuer reports
Datum: 06.08.2009 16:57 •
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A study in the journal Nano Letters shows that the well-known rules of heat transfer from a nonreflective object, called Planck's blackbody radiation law, break down if the object can be brought close enough to another object while still not touching it. Steve Mirsky reports
Datum: 05.08.2009 16:06 •
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A study in the journal Science shows that the spleen has a previously unrecognized function, as a large reservoir of infection-fighting monocytes that come into play in heart damage. Cynthia Graber reports
Datum: 04.08.2009 05:52 •
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A study in the Royal Society journal Biological Sciences shows that one reason why we swing our arms while walking is probably because it makes ambulation a significantly more efficient operation, saving about 12 percent of the energy required to walk with the arms immobile. Karen Hopkin reports
Datum: 03.08.2009 05:05 •
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A study in the Royal Society journal Biological Sciences shows that humans will synchronize their blinking when confronted with visual info, indicating that we time our blinks to minimize the chances we'll miss seeing anything important. Karen Hopkin reports
Datum: 31.07.2009 14:29 •
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A study in the journal Psychological Science finds that reading about an activity activates the same brain regions involved in performing that activity. Karen Hopkin reports
Datum: 30.07.2009 11:50 •
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A study in The Journal of Experimental Biology shows that larger, heavier athletes have an advantage in sports far removed from football or basketball: bigger bodies are better even in swimming. Cynthia Graber reports
Datum: 29.07.2009 14:35 •
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A study in the Proceedings of the National Academy of Sciences reveals the secrets to how heavy orangutans travel through the trees without breaking branches and plummeting. Karen Hopkin reports
Datum: 28.07.2009 05:05 •
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A study in the journal Science finds that at least one purpose of the giant bill of the toucan is to radiate heat. Adam Hinterthuer reports
Datum: 27.07.2009 14:40 •
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A study in the Proceedings of the National Academy of Sciences finds that the planet's warming oceans are inducing fish to get smaller as a strategy to deal with increased temperature. Karen Hopkin reports
Datum: 24.07.2009 05:05 •
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A study in the Journal of Applied Physiology found that spinning bedridden volunteers in a centrifuge to mimic gravity stopped the muscle loss associated with weightlessness. Steve Mirsky reports
Datum: 23.07.2009 15:42 •
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A study in the journal Green Chemistry shows that a substance recovered from old liquid crystal displays, PVA, has multiple medical uses. Cynthia Graber reports
Datum: 22.07.2009 13:45 •
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A study in the journal Nature Physics shows that raindrop size distribution is a function of large drops disintegrating as they fall. Karen Hopkin reports
Datum: 21.07.2009 13:58 •
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Buzz Aldrin recalls the simple strangeness of being on another world, such as how the dust rose and fell differently on the moon with each footfall. Steve Mirsky reports
Datum: 20.07.2009 14:57 •
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A study in the journal Science claims that the movement of jockeys out of phase with their horses eases the horse's workload and accounts for up to 7 percent of the decrease in race times over the last century. Karen Hopkin reports
Datum: 17.07.2009 05:05 •
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A study in the journal Addiction shows that a viable system for measuring the consumption of illegal drugs in various communities is to analyze samples of untreated wastewater--which contains the leftovers. Steve Mirsky reports
Datum: 16.07.2009 14:41 •
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A study in the journal Neuron shows that when we think we're getting better at multitasking, we're really getting faster at switching back and forth between two different things at different times. Karen Hopkin reports
Datum: 15.07.2009 17:25 •
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A study in the journal Current Biology finds that some cat purrs include a high-frequency plaintive component that gets people to do cats' bidding. Karen Hopkin reports
Datum: 14.07.2009 12:22 •
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A study in the journal NeuroReport finds that using socially unacceptable "swear words" has physical effects that enable the swearer to tolerate pain better. Adam Hinterthuer reports
Datum: 13.07.2009 06:30 •
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A study in the journal Science tracks the embryonic development of the turtle's shell, which includes the shoulder blades getting folded within the ribs. Cynthia Graber reports
Datum: 10.07.2009 13:55 •
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The American public likes science, but thinks that its achievements are less important than they were a decade ago. That's according to telephone surveys conducted by the Pew Research Center and the American Association for the Advancement of Science. Steve Mirsky reports
Datum: 09.07.2009 16:57 •
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A study in the journal The American Naturalist implies that parasites helped drive the development of sex, because the shuffling of genes gives sex-produced progeny an advantage over asexual genetic clones. Cynthia Graber reports
Datum: 08.07.2009 14:26 •
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In London last week at the World Conference of Science Journalists, Philip Hilts, the director of the Knight Science Journalism Program at M.I.T., reviewed the worldwide state of Internet and cell phone use, two of the major ways people now get news
Datum: 07.07.2009 05:05 •
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At the World Conference of Science Journalists in London last week, outgoing Scientific American Editor in Chief John Rennie talked to writers about the future of what they do, remarks that also pertain to this podcast. Steve Mirsky reports
Datum: 06.07.2009 15:16 •
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Recent research claims to have found some evidence for a genetic link to perfect pitch. Christie Nicholson reports
Datum: 03.07.2009 13:00 •
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An article in Nature Geoscience predicts that the rainiest area on Earth, the intertropical convergence zone, is moving steadily north. Christie Nicholson reports
Datum: 02.07.2009 05:00 •
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Research published in the July 2 issue of Nature reveals one reason our planet didn't succumb to an enveloping ice sheet during glacial ages. Christie Nicholson reports
Datum: 01.07.2009 18:01 •
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Research presented at the Experimental Biology annual meeting reveals that women may be more accurate than men at using a hammer in certain conditions. Christie Nicholson reports
Datum: 30.06.2009 12:00 •
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A study in The Journal of Neuroscience finds that people with a particular version of a gene called Period 3 are better able to handle sleep deprivation because more of their brains get involved in counteracting the lack of zzz's. Cynthia Graber reports
Datum: 29.06.2009 05:05 •
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In a report in the Proceedings of the National Academy of Sciences, researchers calculate that U.S. wind turbines could produce 16 times the electricity we now use. Karen Hopkin reports
Datum: 26.06.2009 05:05 •
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In a report in the Proceedings of the National Academy of Sciences, researchers announced the discovery of a granary for storing wild barley and oats, which was built well before the advent of agriculture. Adam Hinterthuer reports
Datum: 25.06.2009 05:05 •
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In a report in the journal Behavioral Ecology, fish learned from watching other fish find food and comparing their success rates. Cynthia Graber reports
Datum: 24.06.2009 15:28 •
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In a report in the journal Current Biology, researchers claim that the brain interprets a tool, such as a hammer, as a temporary extension of your physical body. Karen Hopkin reports
Datum: 23.06.2009 12:00 •
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In a report in the American Journal of Public Health performed in New York City, subways were the loudest mass transit option, with potentially hearing-damaging noise levels. Steve Mirsky reports
Datum: 22.06.2009 14:16 •
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In a report in the Proceedings of the National Academy of Sciences, M.I.T. researchers studying the way window stickers separate from the underlying glass applied that information to the creation of electronics that can be stretched and incorporated into fabric. Cynthia Graber reports
Datum: 19.06.2009 13:30 •
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In his CalTech commencement address on June 12, Nobel physicist and Secretary of Energy Steven Chu called for a new agricultural revolution, led by scientists
Datum: 18.06.2009 14:24 •
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A study in the journal Public Library of Science Biology finds that it's the rate at which flying birds can replace their flight feathers that determines how big they can grow and still get off the ground. Karen Hopkin reports
Datum: 17.06.2009 14:11 •
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A study in the Proceedings of the National Academy of Sciences adds at least a billion years to the already far-future estimate of when the sun will make Earth too hot to handle. Karen Hopkin reports
Datum: 16.06.2009 14:12 •
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A study in the journal Geophysical Research Letters finds that some raindrops are falling faster than they "should" be, which means meteorologists may be overestimating the total amount of rainfall. Steve Mirsky reports
Datum: 15.06.2009 15:25 •
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A study in the journal Current Biology discusses how President Bush's shoe throw duck was an example of how the brain responds to objects before we know we've seen them. Adam Hinterthuer reports
Datum: 12.06.2009 12:24 •
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A study in the journal Science shows that maple seeds generate lift as they slowly whirl to the ground. Karen Hopkin reports
Datum: 11.06.2009 18:57 •
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A study in the journal Psychological Science reveals that in speed-dating situations, those in stationary positions tend to be more picky than those assigned to move around the room. Karen Hopkin reports
Datum: 10.06.2009 05:05 •
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A study in the journal Fertility and Sterility found a connection between an antioxidant-rich diet and sperm quality. Cynthia Graber reports
Datum: 09.06.2009 12:00 •
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A study in the journal Frontiers in Ecology and the Environment shows that the birds that took down U.S. Airways Flight 1549 were migrating geese, not a local N.Y.C. population--important info for development of aviation bird avoidance techniques. Steve Mirsky reports
Datum: 08.06.2009 14:55 •
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It's long been known that nest temperature influences the sex determination of reptile embryos. Now a study in Current Biology finds that, for alpine lizards, smaller yolks lead to males. Karen Hopkin reports
Datum: 05.06.2009 11:42 •
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A study in The American Journal of Medicine finds that in 2007 more than 62 percent of all bankruptcies were driven by medical costs, a number that has likely gone up since the recession began. And most of the bankrupted had health insurance. Steve Mirsky reports
Datum: 04.06.2009 05:05 •
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A study in the journal Science shows that analysis of ocean sounds, previously considered noise to be filtered out, can provide information about climate unavailable elsewhere. Cynthia Graber reports
Datum: 03.06.2009 05:05 •
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In a study in the journal Cell Metabolism, mice given the ability to sense the hormone leptin ate less, exercised more, and had better blood sugar profiles. Karen Hopkin reports
Datum: 02.06.2009 16:55 •
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In response to Oklahoma Sen. Tom Coburn's critique of new federal mileage standards as a threat to personal freedom, some tips on turning even a high-mileage vehicle into a gas hog. Steve Mirsky reports
Datum: 01.06.2009 14:10 •
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In a study in the journal Science, researchers found that different skin regions harbor very different kinds of bacteria. Karen Hopkin reports
Datum: 29.05.2009 12:13 •
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In a study in the journal Cell, researchers "humanized" a mouse gene--the human counterpart of which is thought to be related to speech--and the mice vocalized differently. Steve Mirsky reports, with additional commentary by The Brain
Datum: 28.05.2009 16:55 •
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Refrigerator vacuum panels made from the ash of burned rice husks won University of Michigan students first prize in the M.I.T. Clean Energy contest. Cynthia Graber reports
Datum: 27.05.2009 05:05 •
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A study in the journal Cell shows that some fruit flies are genetically disposed to dislike drinking alcohol. And some anticancer drugs mimic the effect--which points to the possibility of those drugs treating alcoholism. Karen Hopkin reports
Datum: 26.05.2009 12:05 •
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A study presented May 21st at the meeting of the Acoustical Society of America finds that smaller, scrawnier people seem to have more sensitive hearing than the big and buff. Karen Hopkin reports
Datum: 22.05.2009 10:55 •
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A study presented May 21st at the meeting of the Acoustical Society of America finds that fluent speakers of tonal languages, such as Cantonese, are much more likely to have perfect pitch than are speakers of English and other atonal languages. Steve Mirsky reports
Datum: 21.05.2009 13:05 •
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A study in the Proceedings of the National Academy of Sciences reveals that the Komodo Dragon's bite includes chemical compounds that promote the massive bleeding of prey. Adam Hinterthuer reports
Datum: 20.05.2009 11:30 •
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A study in the journal Experimental Aging Research finds that senior citizens who were reminded about their age and stereotypes about old age performed worse on memory tests than secure seniors. Cynthia Graber reports
Datum: 19.05.2009 11:56 •
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A study in the journal Public Library of Science Pathogens finds that the human nose is too cold for bird flu viruses to thrive. Steve Mirsky reports
Datum: 18.05.2009 14:20 •
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A survey from the chemical industry-sponsored Water Quality and Health Council finds one in six people admit to having peed in the pool. And the CDC supplies hygiene tips for swimmers. Steve Mirsky reports
Datum: 15.05.2009 15:05 •
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Researchers presenting their findings at the meeting of the European Council on Obesity calculated that overeating alone, without including a sedentary lifestyle, is behind the obesity problem. Cynthia Graber reports
Datum: 14.05.2009 14:04 •
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Researchers presenting their findings at the meeting of the Acoustical Society of America say that hybrid vehicles are so quiet they may present a danger to pedestrians. Karen Hopkin reports
Datum: 13.05.2009 14:49 •
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A study in the Proceedings of the National Academy of Sciences reveals that antioxidant vitamins can interfere with exercise's anti-diabetes effect. Karen Hopkin reports
Datum: 12.05.2009 13:22 •
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A study in the journal Science finds that the same brain circuitry that moves the eyes right does mental addition. And the circuit for moving eyes left does mental subtraction. Cynthia Graber reports
Datum: 11.05.2009 13:35 •
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A study in the journal Science reveals that the brain region responsible for the intention to move the body also experiences the movement--but a distinct brain region controls the actual movement. Karen Hopkin reports
Datum: 08.05.2009 05:05 •
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In an essay in BioScience magazine, the Wildlife Conservation Society's Douglas Sheil and co-authors discuss the "biotic pump" hypothesis of Russian researchers Anatassia Makarieva and Victor Gorshov, which contends that rainforests attract water vapor, leading to rain, lower local atmospheric press...
Datum: 07.05.2009 14:30 •
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A report in Archaeology magazine notes that the ability to easily trade antiquities on eBay has paradoxically lessened looting--because fakes have flooded the market. Cynthia Graber reports
Datum: 06.05.2009 13:52 •
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A study in the Proceedings of the National Academy of Sciences shows that names that enjoy a meteoric rise in popularity tend to fall just as fast. Karen Hopkin reports
Datum: 05.05.2009 05:07 •
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A study in the journal Science finds that the Northern and Southern hemispheres may be undergoing climate change in distinct ways. Karen Hopkin reports
Datum: 04.05.2009 13:57 •
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A game recalled due to excessive lead in a monkey figure pits humans and monkeys against dinosaurs, which violates, well, so many things. Steve Mirsky explains, with additional reporting by Karen Hopkin and John Rennie
Datum: 01.05.2009 14:43 •
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Some birds, especially parrots, can actually move in sync with a musical beat, a rare ability in the animal world, according to research published in Current Biology. Karen Hopkin reports
Datum: 30.04.2009 16:57 •
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Netflix is offering $1 million to any group that can improve its user recommendations accuracy 10 percent, according to the May issue of IEEE Spectrum. Adam Hinterthuer reports
Datum: 29.04.2009 14:57 •
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Researchers at the National Institute of Standards and Technology are developing a way to measure the directionality of compounds on other planets--which could reveal the presence of life, because biomolecules tend to twist in only one of two possible directions. Karen Hopkin reports
Datum: 28.04.2009 05:05 •
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World Malaria Day brought awareness of the unorthodox biomedical ideas that are joining the search for a vaccine. Cynthia Graber reports
Datum: 27.04.2009 13:59 •
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A study in the journal Science shows that adding a bit of metal to silk makes the gossamer but strong-as-steel natural fiber even stronger. Karen Hopkin reports
Datum: 24.04.2009 05:05 •
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A study in the journal Public Library of Science ONE found that calling an endangered species "rare" may focus the kind of attention on it that could speed its demise. Christie Nicholson reports
Datum: 23.04.2009 05:05 •
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A study in the journal Public Library of Science ONE reveals that the ear's hair cells act like tiny motors and respond to sound by swaying and driving electrical currents that cause positive feedbacks, which amplify sound. Karen Hopkin reports
Datum: 22.04.2009 13:55 •
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A study in the journal Science finds that an affirmation exercise improved the grades of African-American middle school students, and the effects lasted for at least another two years after the test period. Cynthia Graber reports
Datum: 21.04.2009 14:30 •
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The new Yankee Stadium has healthful food choices and encourages recycling. Steve Mirsky reports reports
Datum: 20.04.2009 14:10 •
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A study in the journal Science shows that microbes have long survived under glaciers in Antarctica making do with nothing but sulfates and iron from the bedrock. Adam Hinterthuer reports
Datum: 17.04.2009 12:25 •
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A study in The Journal of Physiology finds that just rinsing and spitting with drinks containing sugar or carbohydrate can improve endurance. Cynthia Graber reports
Datum: 16.04.2009 13:55 •
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M.I.T. researchers have developed an easily wearable blood pressure monitor that fits on the hand and can provide constant monitoring. Cynthia Graber reports
Datum: 15.04.2009 13:17 •
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A study in the journal Nature found that yeast that did a little extra work for their colony also got a little reward, in the form of access to a wee bit of additional sugar. Christie Nicholson reports
Datum: 14.04.2009 05:05 •
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A report in the journal Nature reveals one of the reasons why Earth's atmosphere went from oxygen-poor to habitable 2.4 billion years ago--a drop in oceanic nickel killed microbes that produce methane. Cynthia Graber reports
Datum: 13.04.2009 13:05 •
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A report in the journal Science shows that seven different types of flying animals all turn using the same technique, and that those with similar wingspan-to-body-lengths need the same number of wing flaps. Karen Hopkin reports
Datum: 10.04.2009 05:05 •
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Research at the Monell Chemical Senses Center finds that women have keener senses of smell than do men, and that men's body odors are harder to cover up than are women's. Christie Nicholson reports
Datum: 09.04.2009 05:05 •
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A study published online in the journal Public Library of Science finds that male chimps who provide meat for females double their chances of mating over the long term. Steve Mirsky explains, with reporting by Adam Hinterthuer
Datum: 08.04.2009 13:37 •
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A study in the journal Science used changing carbon 14 levels--from nuclear bomb testing--to show that the adult human heart does continue to produce new muscle cells, albeit in small numbers. Karen Hopkin reports
Datum: 07.04.2009 05:06 •
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A study in the journal Science illustrates how genetically engineered viruses can be used to assemble an anode and cathode to make a new kind of battery. Cynthia Graber reports
Datum: 06.04.2009 05:08 •
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A study in the journal Science notes that viruses remain a small threat to cell phones--but only because not enough users are on the same operating system. Karen Hopkin reports
Datum: 03.04.2009 05:05 •
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A study in the Journal of Biomedical Materials Research B talks about the possibility of replacing sutures in surgery with bioadhesives produced by mussels and applied using inkjet technology. Cynthia Graber reports
Datum: 02.04.2009 05:05 •
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A study in the International Journal of Sport Nutrition and Exercise Metabolism finds that caffeine cuts the pain of exercise. Karen Hopkin reports
Datum: 01.04.2009 09:10 •
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After suffering a seizure, a Bronx Zoo gorilla got a special house call--a mobile MRI unit came to him so vets could perform a brain scan. Steve Mirsky reports
Datum: 31.03.2009 15:17 •
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A study in the journal Nature Neuroscience suggests that playing action-filled video games improves contrast vision, especially useful in low visibility conditions. Karen Hopkin reports
Datum: 30.03.2009 13:21 •
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A study in the journal Science finds that millions of herring can form a cohesive school, or shoal, in just seconds, quickly turning chaos into order. Karen Hopkin reports
Datum: 27.03.2009 13:40 •
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A study presented at an American Chemical Society meeting reveals that fish from sites in various parts of the country tested positive for drugs and personal care product chemicals that wind up in the water supply. Adam Hinterthuer reports
Datum: 26.03.2009 05:05 •
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A study published in the journal Physiology & Behavior finds that kids with a sweet tooth may be craving sugar because it's powering ongoing growth and development. Karen Hopkin reports.
Datum: 25.03.2009 14:34 •
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A study published in the online FASEB Journal notes that the oxygen requirements of tumor cells have a model in the needs of members of a strange social organism--the naked mole rat. Karen Hopkin reports
Datum: 24.03.2009 05:05 •
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A report in the journal Science finds that the behavior of members of your peer group predicts your behavior better than you could have. Adam Hinterthuer reports
Datum: 23.03.2009 14:14 •
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A report in the journal Science shows that at least one species of bird, the Gouldian finch, has the capacity to choose the sex of its offspring. Cynthia Graber reports
Datum: 20.03.2009 14:09 •
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A report in the journal Nature Chemical Biology shows that drugs that would merely incapacitate bacteria without killing them could be the key to avoiding the growing problem of antibiotic resistance. Karen Hopkin reports
Datum: 19.03.2009 12:27 •
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Density populated chicken houses filled with flies and bacteria may enable diseases to fly the coop. Cynthia Graber reports
Datum: 18.03.2009 14:41 •
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Johns Hopkins researchers are trying to stop malaria's spread by keeping mosquitoes from becoming infected with the parasite that they pass on to humans. Cynthia Graber reports
Datum: 17.03.2009 14:30 •
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A report in the journal Science touts the energy potential of an old resource--wood. Karen Hopkin reports
Datum: 16.03.2009 05:05 •
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A study in the journal Science reports that a new coating material has the ability to heal up any scratches--good news for car owners having feuds with their neighbors. Cynthia Graber reports
Datum: 13.03.2009 13:25 •
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Recent research sheds light on the influence agricultural fertilizers can have on the evolution of aquatic animals. Adam Hinterthuer reports.
Datum: 12.03.2009 05:00 •
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A study in the journal Current Biology shows that chimps can make long-term plans--because one was found saving up stones to throw at people. Cynthia Graber reports
Datum: 11.03.2009 13:55 •
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SciAm.com met up with the 40 finalists of the Intel Science Talent Search, considered the "Super Bowl" of science. Christie Nicholson reports
Datum: 10.03.2009 05:00 •
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Researchers at the University of Michigan propose that the servers running our data centers be put to sleep when idle, just like our personal computers, in order to save up to 75 percent of the billions of kilowatt hours they use annually. Christie Nicholson reports.
Datum: 09.03.2009 12:00 •
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Remember to turn clocks ahead one hour this weekend and, if possible, sleep in until the sun rises. Sleep researchers say waking with light is the best remedy for the winter doldrums. Christie Nicholson reports
Datum: 06.03.2009 05:00 •
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A recent study in the journal Science shows that we display the same facial reaction to moral wrongs as we do to bad tastes or smells. Karen Hopkin reports
Datum: 05.03.2009 05:00 •
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New research shows that more and more daughters are following in their father's footsteps. Cynthia Graber reports
Datum: 04.03.2009 05:00 •
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A study published recently in the journal Science shows that we tend to choose leaders based on their appearance. Cynthia Graber reports
Datum: 03.03.2009 05:00 •
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A study in the journal Nature finds that prions can team up with amyloid beta, the protein that forms the big plaques in Alzheimer's, to make the condition much worse. Karen Hopkin reports
Datum: 02.03.2009 05:05 •
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February 28 is Sword Swallowers Awareness Day, when we pay thanks to the brave men and women whose art helped medical science. So said practitioner Dan Meyer at the AAAS meeting in Chicago on February 13th. Steve Mirsky reports
Datum: 27.02.2009 05:10 •
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In his address to a joint session of Congress on February 24th, Pres. Obama outlined an ambitious plan for the country to develop alternative energy and to engage in basic research. Produced by Steve Mirsky
Datum: 26.02.2009 05:05 •
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Speaking at the annual meeting of the Society for Personality and Social Psychology in Tampa in early February, psychologist Ryan Howell said that money spent on experiences made people happier than buying things. Cynthia Graber reports
Datum: 25.02.2009 05:05 •
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Speaking at the annual meeting of the American Association for the Advancement of Science in Chicago on February 14th, psychologist Matthew Lieberman explained that putting feelings into words dampened down activity in brain regions associated with emotional responses. Adam Hinterthuer reports
Datum: 24.02.2009 05:05 •
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Speaking at the annual meeting of the American Association for the Advancement of Science in Chicago on February 14th, astronomer Alan Boss, author of the new book The Crowded Universe, said that we're about to find out just how many habitable planets are out there--and he thinks there are sextillio...
Datum: 23.02.2009 14:43 •
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The National Center for Science Education initiated Project Steve in 2003 to count scientists named Steve (or Stephanie) who accept evolution, in response to lists of anti-evolution PhDs. The long-running effort, also a tribute to Stephen Jay Gould, crowned its thousandth Steve, a proxy for approxim...
Datum: 20.02.2009 15:09 •
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Rep. Rush Holt, a physicist, says of the 1995 defunding of the Office of Technology Assessment: "Congress gave itself a lobotomy." Policy expert Lewis Branscomb offered reasons to bring back the OTA at the American Association for the Advancement of Science meeting in Chicago on Feb. 14th. Steve Mir...
Datum: 19.02.2009 15:22 •
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Speaking at the annual meeting of the American Association for the Advancement of Science in Chicago on February 16th, cosmologist Lawrence Krauss said that cosmologists in the far future will misinterpret the nature of the universe because the signs of the big bang will have disappeared. Steve Mirs...
Datum: 18.02.2009 17:07 •
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Speaking at the annual meeting of the American Association for the Advancement of Science in Chicago on February 16th, primatologist Frans de Waal noted that the public's distaste for Wall Street bonuses has its counterpart, and perhaps roots, in other animals' perceptions of inequity. Steve Mirsky ...
Datum: 17.02.2009 16:53 •
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In a study in the journal PLoS ONE, researchers report the first fossil find of a pregnant whale--which offers tantalizing clues that the marine mammal returned to land to give birth. Karen Hopkin reports
Datum: 16.02.2009 05:05 •
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In a study in the journal Science, researchers found that feelings of envy light up parts of the brain active in pain processing. And bad news about people we envy tickles the brain. Karen Hopkin reports
Datum: 13.02.2009 05:05 •
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Darwin and Lincoln were born hours apart on February 12, 1809. Darwin's destruction of the philosophical stance known as essentialism led science to reject racism. Lincoln rejected the racism institutionalized in the Constitution. Steve Mirsky comments
Datum: 12.02.2009 12:33 •
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In a study in the journal Neuron, researchers found that the same brain areas in gamblers that get excited by winning lit up at near wins. Which is great news for the house. Christie Nicholson reports
Datum: 11.02.2009 16:57 •
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In a study in the Proceedings of the National Academy of Sciences, researchers found that high absolute humidity can help kill flu virus particles in a given environment. Adam Hinterthuer reports
Datum: 10.02.2009 05:05 •
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In a study in the journal Nature Neuroscience, researchers found that the brain is good at storing information that we might not be aware we know. Cynthia Graber reports
Datum: 09.02.2009 05:05 •
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In a study in the journal Science, researchers report that blue butterfly caterpillars infiltrate red ant colonies and grub food by mimicking the raspy sound of the ant queen. Karen Hopkin reports
Datum: 06.02.2009 14:37 •
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The Department of Defense created the Defense Centers of Excellence for Psychological Health and Traumatic Brain Injury in 2007 to help the third of service members with psych and brain injury issues. A new 24-hour toll-free hotline number is (866) 966-1020. Steve Mirsky reports
Datum: 05.02.2009 14:58 •
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In a study published in the journal Nature, researchers announced the finding of the fossil remains of the largest snake that ever lived--possibly reaching 45 feet and 2,500 pounds. Steve Mirsky reports
Datum: 04.02.2009 18:07 •
Größe: 1.1 MB
In a study published in the journal Functional Ecology, researchers warn that people capturing rainwater in drought-ridden areas are also providing breeding grounds for disease-carrying insects. Adam Hinterthuer reports
Datum: 03.02.2009 13:55 •
Größe: 1.1 MB
A study published in the journal Current Biology found that even natural history museums often don't know the details of how animals walk, and incorrectly display animals in motion as a result. Karen Hopkin reports. For images and more information, see Scientific American contributing writer Carl Z...
Datum: 02.02.2009 13:55 •
Größe: 1.2 MB
A study published in the journal Neuron indicates that newborn neurons in the hippocampus get a sort of time stamp. So events that occur at the same time are forever linked in our minds. Karen Hopkin reports
Datum: 30.01.2009 14:13 •
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In a study published in the Proceedings of the National Academy of Sciences, researchers warn that viral attacks on wireless networks can easily spread to tens of thousands of routers. Karen Hopkin reports
Datum: 29.01.2009 11:00 •
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In a study published in the journal PLoS ONE, researchers conjecture that the three horns of Triceratops were often used for fighting--because museum specimens show much more scarring than in the horns of a related species. Cynthia Graber reports
Datum: 28.01.2009 13:01 •
Größe: 1.1 MB
In a study published in the Proceedings of the National Academy of Sciences, researchers showed that elderly women who ate low-calorie diets improved their memories. Karen Hopkin reports
Datum: 27.01.2009 06:15 •
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In a study published in the journal Science, researchers found that a brown pollution cloud over south Asia and the Indian Ocean is largely the result of burning wood and dung for cooking and heating. Cynthia Graber reports
Datum: 26.01.2009 11:57 •
Größe: 1.1 MB
In a study published in the journal Biology Letters, researchers found that male crickets impress their dates with gifts of food that are light on nutrition but heavy on appetite stimulants. Karen Hopkin reports
Datum: 23.01.2009 12:05 •
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In a study published in the journal Nature, researchers find that functional magnetic resonance imaging may measure not only what the brain is doing, but what it is about to do. Karen Hopkin reports
Datum: 22.01.2009 11:42 •
Größe: 1.2 MB
Pres. Obama's inaugural address noted the importance of science, a coherent energy policy and basic curiosity. Produced by Steve Mirsky
Datum: 21.01.2009 13:27 •
Größe: 1.1 MB
A study in the journal Science shows that staph bacteria are able to use viruses to insert their dangerous genes into the genomes of other species of bacteria. Karen Hopkin reports
Datum: 20.01.2009 05:05 •
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A study in the journal Science finds that roundworms with a particular gene have lower rates of infection--not because they have stronger immunity, but because they prefer to live in environments with fewer microbes. Karen Hopkin reports
Datum: 19.01.2009 05:05 •
Größe: 1.2 MB
A study in the journal Science finds that methane is being released at specific places on Mars--which means that Mars has geologic activity, biological activity or both. Cynthia Graber reports
Datum: 16.01.2009 05:05 •
Größe: 1.1 MB
In a report in the Proceedings of the National Academy of Sciences USA, Johns Hopkins University researchers discuss their invention of a "microgripper," a metallic device the size of a speck of dust that can float through tissue and latch on to individual cells. Adam Hinterthuer reports
Datum: 15.01.2009 13:25 •
Größe: 1.1 MB
Inventor John Stuart Reid has patented a device he calls a CymaScope, which creates three-dimensional images of sound. He hopes to use it to identify specific dolphin sounds. Cynthia Graber reports
Datum: 14.01.2009 05:05 •
Größe: 1.1 MB
Johns Hopkins researcher Michael Habib contends that the weight carried by most pterosaurs meant that they needed to push off the ground with all four limbs to achieve takeoff (in a study published in the German journal Zitteliana Reihe B: Abhandlungen der Bayerischen Staatssammlung fur Palaontologi...
Datum: 13.01.2009 05:05 •
Größe: 1.3 MB
A study to be presented at the meeting of the Bibliographical Society of America shows that some medieval manuscripts can be tested to establish place and time of origin--because the pages are made from animal skins that offer up DNA evidence. Cynthia Graber reports
Datum: 12.01.2009 05:05 •
Größe: 1.1 MB
A study in the journal Science finds that mosquitoes checking out mates synchronize their buzzing to the same frequency. Researchers hope to exploit this behavior for insect control. Karen Hopkin reports
Datum: 09.01.2009 14:39 •
Größe: 1.2 MB
A study in the Journal of Agricultural and Food Chemistry finds that humans can manufacture their own salicylic acid, the major part of aspirin. Another study, in Nature, shows that plants make their own salicylic acid at wound sites. Karen Hopkin reports
Datum: 08.01.2009 05:05 •
Größe: 1.2 MB
A study in the journal Frontiers in Ecology and the Environment notes that reflected light--off of buildings or roadways--can be as disruptive to animal behavior as the direct light that attracts sea turtle hatchlings to begin life in the wrong direction. Adam Hinterthuer reports
Datum: 07.01.2009 14:00 •
Größe: 1.1 MB
A study presented at the meeting of the American Astronomical Society finds that the debris surrounding white dwarf stars is similar to the content of rocky planets--which means that rocky planets could be common to stars like our sun. Cynthia Graber reports
Datum: 06.01.2009 05:05 •
Größe: 1.1 MB
A study presented at the meeting of the American Astronomical Society finds that we're moving 100,000 miles per hour faster in our galactic orbit than we thought, and that the Milky Way Galaxy is half again as massive as previously believed. Steve Mirsky reports
Datum: 05.01.2009 17:55 •
Größe: 1.2 MB
A study in the journal Science shows that infecting disease-carrying mosquitoes with the bacteria Wolbachia could be an effective way to cut their lives--and infectious capacity--short. Cynthia Graber reports
Datum: 02.01.2009 05:05 •
Größe: 1.1 MB
Too bad you can't get frequent-flier miles for the hundreds of millions of miles you journeyed last year. Steve Mirsky reports. (Originally published January 1, 2008)
Datum: 01.01.2009 05:05 •
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The journal Science lists their top research achievements for 2008. (Number one: reprogramming cells.) Cynthia Graber reports. For more, see www.sciencemag.org
Datum: 31.12.2008 05:05 •
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A study published in the journal Neuron finds that the subconscious brain is excellent at making decisions based on data. Whether we take advantage of that good decision, however, is another matter. Cynthia Graber reports
Datum: 30.12.2008 13:59 •
Größe: 1.1 MB
A study published by the Royal Society finds that men's superiority over women at chess at the top levels can be explained by population size. Since many more men play, there's a wider range of abilities, meaning more individuals at the very top. Karen Hopkin reports
Datum: 29.12.2008 13:40 •
Größe: 1.2 MB
A study in the journal Nature finds that worms that fasted every third day got the same anti-aging benefits offered by severe calorie-restricted diets. Karen Hopkin reports
Datum: 26.12.2008 14:40 •
Größe: 1.2 MB
A study in Zygon: Journal of Religion & Science finds that religious experience is associated with decreased activity in the brain's right parietal lobe. Cynthia Graber reports
Datum: 24.12.2008 05:50 •
Größe: 1.1 MB
A study in the Proceedings of the Royal Society explains why thousands of tourists were able to make the London Millennium Bridge sway on its opening day in 2000. Karen Hopkin reports.
Datum: 23.12.2008 06:20 •
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A study presented at the meeting of the American Society for Cell Biology found that fruit flies were better able to fight off infections that they got while asleep at night than those received while awake during the day. Karen Hopkin reports
Datum: 22.12.2008 05:05 •
Größe: 1.2 MB
A study in the journal Science looked at bones from dinosaurs found with clutches of eggs, and found that the caretakers appear to be male. Karen Hopkin reports
Datum: 19.12.2008 13:59 •
Größe: 1.2 MB
A study in the journal Nature Nanotechnology shows that carbon nanotubes wrapped in DNA can be safely inserted into living cells. The nanotubes emit infrared signals that reveal the cellular conditions affecting the DNA. Cynthia Graber reports
Datum: 18.12.2008 14:21 •
Größe: 1.1 MB
A study in the journal Psychological Science finds that the exact same electrical shock is more painful if the recipient thinks it was done on purpose rather than by accident. Karen Hopkin reports
Datum: 17.12.2008 14:13 •
Größe: 1.2 MB
A study in the journal Nature Neuroscience shows that fixing damage to a specific fruit fly gene appears to correct memory problems, which could point to possible treatments for fragile X syndrome in humans (despite Sarah Palin's negative campaign comments about fruit fly research). Cynthia Graber r...
Datum: 16.12.2008 05:05 •
Größe: 1.4 MB
A study in the journal Neuron finds that an area of the brain associated with reasoning comes into play in deciding guilt or innocence, but an emotional region gets involved in sentencing. Karen Hopkin reports. For more info, check out the November 27th, 2007, episode of Science Talk at SciAm.com/po...
Datum: 15.12.2008 14:30 •
Größe: 1.4 MB
A study in the American Journal of Physiology finds that aerobic exercise affects levels of two different hormones involved in appetite. Weight lifting only affected levels of one of the hormones. Karen Hopkin reports
Datum: 12.12.2008 12:18 •
Größe: 1.2 MB
A study in JAMA The Journal of the American Medical Association finds that people who were rewarded with a few hundred dollars for losing a few pounds were much more successful than those who just dieted. Steve Mirsky reports
Datum: 11.12.2008 12:42 •
Größe: 1.2 MB
When elephants are transported to new habitats, the immigrants tend to stick together, only slowly assimilating into the existing elephant population. Karen Hopkin reports
Datum: 10.12.2008 05:03 •
Größe: 1.2 MB
Traditional Chinese medicine's astragalus root shows promise in HIV treatment, and the plant extract, indigo naturalis, may help calm the skin condition psoriasis. Cynthia Graber reports
Datum: 09.12.2008 13:35 •
Größe: 1.1 MB
A study with mice finds that those kept in warmer environments develop longer limbs than their chillier cousins, thanks to enhanced cartilage growth. Karen Hopkin reports
Datum: 08.12.2008 05:05 •
Größe: 1.2 MB
A happy person within a social circle quickly influences those around him or her to be happy, extending to three degrees of separation. Adam Hinterthuer reports
Datum: 05.12.2008 05:05 •
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Astronomers have collected light bouncing around since a 1572 supernova, witnessed by Tycho Brahe himself, to figure out exactly what kind of explosion it was. Cynthia Graber reports
Datum: 04.12.2008 14:59 •
Größe: 1.1 MB
University of Florida engineers have created a prototype baby monitor that uses Doppler radar to track the movements of a baby's chest, indicating breathing status. Steve Mirsky reports
Datum: 03.12.2008 12:19 •
Größe: 1.2 MB
M.I.T. researchers have invented a robotic clam--which means they've really developed a smart anchor for small vessels. Cynthia Graber reports
Datum: 02.12.2008 05:05 •
Größe: 1.1 MB
A sea slug can carry on photosynthesis for months at a time by eating algae and saving the tiny organelles that the single-celled organism uses to convert sunlight to energy. Cynthia Graber reports
Datum: 01.12.2008 13:54 •
Größe: 1.1 MB
Studies in multiple species show that males may adjust sperm output when faced with romantic rivals, and females may seek more partners if males skimp. Karen Hopkin reports
Datum: 28.11.2008 05:05 •
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Wash Car after Chickens Cross Road
Datum: 27.11.2008 05:05 •
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Galapagos Invaders Actually Native Species
Datum: 26.11.2008 05:05 •
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Electronics with a Twist
Datum: 25.11.2008 05:05 •
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Broken Windows Crime Theory
Datum: 24.11.2008 11:20 •
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Predicting Floods in a Flash
Datum: 21.11.2008 14:03 •
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Cell Phone Use Endangers Boneheads
Datum: 20.11.2008 13:54 •
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Animals Honestly Advertise Toxicity
Datum: 19.11.2008 05:05 •
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Sound Method to Levitate Droplets
Datum: 18.11.2008 13:39 •
Größe: 1.1 MB
Multiple Planets Caught Orbiting Distant Star
Datum: 17.11.2008 13:32 •
Größe: 1.1 MB
Bigger Voter Turnout Gets Better Fish Leader
Datum: 14.11.2008 14:47 •
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Pregnant Moms Who Chew Fat Pass On Habit
Datum: 13.11.2008 12:52 •
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Hurling at the Enemy
Datum: 12.11.2008 05:05 •
Größe: 1.2 MB
Brain Sacks Out in Stages
Datum: 11.11.2008 11:35 •
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Sound Method to Save Manatees
Datum: 10.11.2008 13:32 •
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Document Found Older Than Dead Sea Scrolls
Datum: 07.11.2008 13:44 •
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No Sex Please, We're Cloners
Datum: 06.11.2008 13:20 •
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Getting Everyone a Straight Flush
Datum: 05.11.2008 12:26 •
Größe: 1.2 MB
Body Odors Individual as Fingerprints
Datum: 04.11.2008 05:05 •
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Animal Feed Is Fishy
Datum: 03.11.2008 12:30 •
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Ground Can Bounce in Earthquakes
Datum: 31.10.2008 05:40 •
Größe: 1.1 MB
Widespread Vaccination Keeps Unvaccinated Flu-Free
Datum: 30.10.2008 05:03 •
Größe: 1.2 MB
Voting Affected by Implicit Beliefs
Datum: 29.10.2008 13:37 •
Größe: 1.2 MB
Stopping, Sopping, Bacterial Toxins
Datum: 28.10.2008 05:05 •
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Brain Makes Tennis Call Error More Likely
Datum: 27.10.2008 16:57 •
Größe: 1.2 MB
Warm Hands, Warm Heart
Datum: 24.10.2008 13:30 •
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Hot Cones Cue Hungry Insects
Datum: 23.10.2008 12:02 •
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Is the Fuel of the Future Wood?
Datum: 22.10.2008 05:05 •
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Mathematician Says Rays Should Reign
Datum: 21.10.2008 05:02 •
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The Great Worldwide Star Count
Datum: 20.10.2008 05:01 •
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Life Origin Experiment Gets Better with Age
Datum: 17.10.2008 05:01 •
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Elderly Web Surfers Benefit Brains
Datum: 16.10.2008 06:30 •
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Lather Up for Global Handwashing Day!
Datum: 15.10.2008 05:01 •
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Mussel Ride Waves with Genes Waves
Datum: 14.10.2008 05:00 •
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Learning to Stay Calm
Datum: 13.10.2008 12:15 •
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Bad Biodiversity Ups West Nile Odds
Datum: 10.10.2008 05:19 •
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Fish Vision Splits Species
Datum: 09.10.2008 05:10 •
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How Green Was the Nobel Prize in Chemistry
Datum: 08.10.2008 12:04 •
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Nobel Prize in Physics
Datum: 07.10.2008 12:25 •
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Nobel Prize in Physiology or Medicine
Datum: 06.10.2008 11:53 •
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Brain Seeks Patterns Where None Exist
Datum: 03.10.2008 05:02 •
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Presidential Elections Up Car Crashes
Datum: 02.10.2008 05:02 •
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Chauvinist Piggishness Pays
Datum: 01.10.2008 05:01 •
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Rocks from Earth's Origins
Datum: 30.09.2008 05:01 •
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Speech Storage Could Reduce Writing
Datum: 29.09.2008 05:01 •
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Auction Self-Control--Going, Going, Gone
Datum: 26.09.2008 13:33 •
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Steroids Enhance Athletes for Years
Datum: 25.09.2008 05:01 •
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"Fort" Actually Ancient Aqueduct
Datum: 24.09.2008 11:24 •
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Good Bacteria against Type 1 Diabetes
Datum: 23.09.2008 05:01 •
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Fish Gave Us the Finger
Datum: 22.09.2008 05:01 •
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Management System Could Keep Tuna on Table
Datum: 19.09.2008 13:43 •
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Superstitious Behavior Makes Evolutionary Sense
Datum: 18.09.2008 09:24 •
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Sun May Be an Immigrant
Datum: 17.09.2008 12:16 •
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Copper Knocks out Fish Bacteria
Datum: 16.09.2008 05:01 •
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Less Choice Fixes Traffic Flow
Datum: 15.09.2008 14:21 •
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Listener Anticipates Speaker's Word Choice
Datum: 12.09.2008 14:36 •
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Amateurs Help Pro Astronomers Sort Galaxies
Datum: 11.09.2008 14:02 •
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Bicycle Safety in Numbers
Datum: 10.09.2008 05:01 •
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Not-So-Free Medication Samples
Datum: 09.09.2008 05:07 •
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Incoming M.I.T. Freshman Creates New Vehicle
Datum: 08.09.2008 05:01 •
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Drugs Move Slowly through Development Pipeline
Datum: 05.09.2008 05:01 •
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Prions Cross Species Barrier in Lab
Datum: 04.09.2008 16:59 •
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Listen to Lingo to Learn
Datum: 03.09.2008 05:01 •
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Beating Neglected Tropical Diseases
Datum: 02.09.2008 05:01 •
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Spray-On Explosives Detector
Datum: 01.09.2008 15:49 •
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Fly Swatting 101
Datum: 29.08.2008 05:01 •
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Younger Kids Don't Care What's Fair
Datum: 28.08.2008 11:20 •
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Still Fighting the Plague
Datum: 27.08.2008 13:37 •
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Cows Tend to Face North-South
Datum: 26.08.2008 05:01 •
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Earth's Air in Four Big Cells
Datum: 25.08.2008 05:01 •
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Tipsy Sports Fans Easily Buy More Booze
Datum: 22.08.2008 14:00 •
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Patients Leave Emergency Rooms Confused But Confident
Datum: 21.08.2008 05:01 •
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Fruit Juices Block Some Drugs
Datum: 20.08.2008 05:01 •
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1918 Flu Antibodies Alive and Well
Datum: 19.08.2008 05:01 •
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Invasion of Privacy: A Conversation with Larry Greenemeier
Datum: 18.08.2008 14:52 •
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Air Fresheners' Unlisted Ingredients
Datum: 15.08.2008 05:01 •
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Bees Help Track Criminals
Datum: 14.08.2008 05:01 •
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Google-Style Rankings for Ecosystems
Datum: 13.08.2008 05:01 •
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Pepper Heat Battles Bugs
Datum: 12.08.2008 05:01 •
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Civic Planning for Thinner People
Datum: 11.08.2008 05:01 •
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Solid-State Future Fridge
Datum: 08.08.2008 14:00 •
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Neandertal Mitochondrial DNA Sequenced
Datum: 07.08.2008 17:00 •
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Ancient Bones Hold TB Clues
Datum: 06.08.2008 05:01 •
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Gorillas Galore in Congo
Datum: 05.08.2008 05:01 •
Größe: 1.1 MB
Loud Bar Equals More Beer
Datum: 04.08.2008 05:01 •
Größe: 1.1 MB
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