News
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HumansIn-laws transformed early human society
A study of today's hunter-gatherers finds marital relationships help spread a social fabric.
By Bruce Bower -
ChemistryLight-sensor pulls perplexing double duty
A long-studied eye pigment appears to also detect temperature, a study in fruit flies shows.
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PhysicsTractor beams arrive two centuries early
Trekkie devices that can pull instead of push have been developed by U.S. and Chinese physicists to move small objects.
By Devin Powell -
Health & MedicineDigging into the roots of lupus
Two new studies implicate common white blood cells called neutrophils in this autoimmune disease.
By Nathan Seppa -
HumansMissing bits of DNA may define humans
Genetic information lost along the way may have led to bigger brains and spineless penises, among other traits.
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LifeAnxiety switch makes mice shy no more
Brain-control experiments could help shed light on psychiatric disorders
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LifeHelp, elephants need somebody
In pull-together tests, pachyderms are on par with chimps in understanding the basics of cooperation.
By Susan Milius -
PhysicsSoot hastens snowmelt on Tibetan Plateau
Black carbon pollution is a more potent driver of melting in the region than increases in carbon dioxide, a new computer simulation suggests.
By Janet Raloff -
Health & Medicine‘Diabetes Belt’ outlined
The Deep South and Appalachia show a high prevalence linked to obesity, poor educational achievement and a sedentary lifestyle, a study shows.
By Nathan Seppa -
SpaceThe best next space missions
The National Research Council issues recommendations for planetary science projects that NASA and NSF should fund starting in 2013.
By Ron Cowen -
Health & MedicineStretchy electronics aid heart surgery
New balloon catheters may help cardiologists treat common cardiac problems.
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Health & MedicineAlpha wave may affect sleep quality
A type of brain activity once considered diagnostic of wakefulness persists during slumber, and the more intense it is the more easily a person can be jolted awake.