All Stories
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Health & MedicineBullies’ brains empathize, but with a twist
Brain imaging studies show teens with aggressive conduct disorder display greater brain activity while viewing video of others in pain.
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HumansAAAS: Climate-friendly fish
Many intangibles determine how big — or small — the carbon footprint is of that fish you're thinking about eating.
By Janet Raloff -
Health & MedicineMRSA has its day in the sun
Beachgoers may be exposed to antibiotic-resistant microbe strain in sea and sand, but there appears to be no link to infection.
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EarthAAAS: Climate-friendly dining … meats
The carbon footprints of raising livestock for food.
By Janet Raloff -
Health & MedicineBeta-blockers erase emotion of fearful memories
Beta blockers could change the way emotional memories are stored, a finding which could help people suffering from anxiety disorders
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EcosystemsMarine census: Surprising number of creatures bipolar
Census of Marine Life offers a preview of massive international census gives fuller count, shows some sea species at both poles.
By Susan Milius -
ClimateThe hidden costs of better fuels
Whether crop-based biofuels will reduce greenhouse gas emissions depends on how, and where, they're grown.
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LifeJumping genes provide unexpected diversity
Mobile DNA elements have stuffed and shrunk the human genome, a comparison of two genomes reveal
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HumansAAAS: A pyrotechnic display
Fireworks came to AAAS, or was it the other way around?
By Janet Raloff -
Planetary ScienceEarth may be home to unearthly life
No need to look on other planets for new forms of life — weird life could exist right here on Earth.
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HumansCoupons help evaluate game of Go
Variant version of ancient board game Go allows researchers to see how players value their moves, possibly providing clues to the math behind complex games like chess.
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Science & SocietyAAAS: The New Masters of Science
A new master's degree program is emerging that is creating "a new type of scientist" and a new professional class.
By Janet Raloff