Ancient Europeans Were Mostly Righties
2011-04-22 09:34:27 | SCIENTIFIC AMERICAN
Marks on fossils indicate that more than 90 percent of humans in Europe a half-million years ago were right-handed. Karen Hopkin reports...
Coating Heals Itself with Phase Change
2011-04-21 09:36:33 | SCIENTIFIC AMERICAN
A metal-polymer coating can heal its own scratches by liquefying when exposed to UV and then resolidifying. Karen Hopkin reports...
Loss of TV Friends Can Cause Distress
2011-04-20 08:57:18 | SCIENTIFIC AMERICAN
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...
Can Taxes Be Green?
2011-04-18 09:05:29 | SCIENTIFIC AMERICAN
Could taxing environmental ills prove more of a solution to pollution than dilution? David Biello investigates...
Munching Microbe Rules Methane Production
2011-04-15 08:54:12 | SCIENTIFIC AMERICAN
A species of microbe called M. barkeri is key to the process of producing methane at landfills. Cynthia Graber reports...
Paul Davies: Physics Could Help Fight Cancer
2011-04-14 09:09:58 | SCIENTIFIC AMERICAN
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....
Lawrence Krauss: Students Need To Learn Effective Failure
2011-04-13 08:56:55 | SCIENTIFIC AMERICAN
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....
Asteroid Follows Earth's Orbit
2011-04-12 09:10:35 | SCIENTIFIC AMERICAN
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...
How Doth Your Native Flora Grow?
2011-04-11 09:07:09 | SCIENTIFIC AMERICAN
The diversity of local plants goes down when a city springs up. David Biello reports...
Blind Fish Sleep Less, Forage More
2011-04-08 09:25:57 | SCIENTIFIC AMERICAN
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....
Salamanders Provide Room and Board to Algae
2011-04-07 09:19:15 | SCIENTIFIC AMERICAN
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...
Adult Brain Shows Learning Changes Fast
2011-04-06 09:19:46 | SCIENTIFIC AMERICAN
Less than two hours of training over a few days produced noticeable brain changes in adult learners. Cynthia Graber reports...
Look for Living Planets Near Dying Stars
2011-04-02 09:17:38 | SCIENTIFIC AMERICAN
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...
Bloody Mary Gives Up Its Flavor Secrets
2011-03-31 08:41:57 | SCIENTIFIC AMERICAN
Chemical analysis provides tips for making a better Bloody Mary. Karen Hopkin reports....
The Origin of Life
2011-03-30 09:06:42 | SCIENTIFIC AMERICAN
A new analysis suggests lightning and volcanoes helped make life possible. David Biello reports...
First Sex Alters Body Image
2011-03-29 09:06:47 | SCIENTIFIC AMERICAN
A recent assessment of undergrads reveals a gender difference in how the students see their bodies after their first sexual intercourse. Christie Nicholson reports...
Human Genome Slowly Finds Medical Use
2011-03-28 08:59:02 | SCIENTIFIC AMERICAN
Individual genomic info is being considered for drug prescription, but more info on drug-gene interactions is still needed. Steve Mirsky reports...
2011-03-25 11:27:28 | SCIENTIFIC AMERICAN
Bones Can Reveal Deceased's Weight
2011-03-25 09:09:48 | SCIENTIFIC AMERICAN
The shape of bones can give a general idea about the weight a person carried in life. Cynthia Graber reports....
1896 X-Ray Machine Shows How Far We've Come
2011-03-24 08:53:10 | SCIENTIFIC AMERICAN
Researchers put an 1896 x-ray machine through its paces and found that it took 90 minutes to achieve exposures that take a tiny fraction of a second today. Cynthia Graber reports...
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