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SpaceSuper-Earth joins ranks in life-supporting zone
The large exoplanet lies just 42 light-years away.
By Tanya Lewis -
HumansRed state, blue state
Resizing geographic areas by population gives more accurate view of 2012 election.
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HumansAncient blades served as early weapons
African find reveals complex toolmaking 71,000 years ago.
By Erin Wayman -
Health & MedicineHighlights from the American Heart Association Scientific Sessions, Los Angeles, November 3-7
Multivitamins may not reduce heart attacks, two drugs could protect heart from chemo damage, and more.
By Nathan Seppa -
Health & MedicineYour brain on speed dating
Activity in two regions helps calculate compatibility with potential mates.
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LifeCancer cells self-destruct in blind mole rats
Underground rodents evolved a way to zap mutating tissue.
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LifeTrunk in cheek, elephant mimics Korean
Novel posture lets animal imitate sounds of human words.
By Susan Milius -
Health & MedicineStatin substitutes go beyond drawing board
A new generation of cholesterol-lowering drugs might help people who can’t take the usual pills or who don’t benefit adequately from them.
By Nathan Seppa -
EarthNew pathway proposed for ancient flood
Meltwaters off the northwestern part of Canada’s ice sheet would have shut down the ocean’s heat circulation 13,000 years ago.
By Erin Wayman -
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Health & MedicineHeart bypass surgery outperforms stents in diabetics
Among patients getting multiple coronary blockages cleared, those assigned to surgery fared better.
By Nathan Seppa