Uncategorized
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Health & Medicine
Cell phone-cancer study an enigma
An epidemiological study of a link between cell phone usage and brain cancer proved inconclusive.
By Janet Raloff -
Health & Medicine
Caring for a spouse with dementia leaves caregiver at risk
Wives and husbands who attend to mates have greater chance of developing problems themselves, a new study finds.
By Nathan Seppa -
Life
Light shows fMRI works as advertised
Optogenetic method validates assumption underlying brain imaging technique.
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Physics
Record number of photons lassoed into a quantum limbo
Physicists entangle five particles, each existing in two states simultaneously.
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Science & Society
Students win big at Intel ISEF 2010
Global high school science competition concludes with top prizes going to projects on cancer-fighting quantum dots, quantum computer algorithms and computer programming.
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Planetary Science
Martian moon probably pretty porous
Phobos may be a mass of rocky rubble, not a captured asteroid.
By Sid Perkins -
Space
Planets in nearby system are off-kilter, measurements show
New observations shatter the notion that other planetary systems have the same flattened, disclike arrangement of orbits that rings the sun.
By Ron Cowen -
Animals
Fight or flee, it’s in the pee
Researchers get a better understanding of how mice smell a rat, or a cat, and maybe even a snake.
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Humans
2010 Intel ISEF showcases next-gen scientists
Top high school scientists from around the world compete for more than $4 million in prizes at weeklong competition.
By Science News -
Earth
Lizards threatened by warming
Analysis suggests climate change could wipe out 20 percent of species, 39 percent of local populations.
By Susan Milius -
Earth
Earliest birds didn’t make a flap
The feathers of Archaeopteryx and Confuciusornis probably were not strong enough to support sustained flight.
By Sid Perkins -
Humans
Grown men swap bodies with virtual girl
People who undergo virtual-reality perspective shifts feel like they’ve switched bodies with a virtual character.
By Bruce Bower