News
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Health & MedicineNearsightedness increasing in the United States
A new study suggests that myopia has increased by more than 60 percent since the 1970s.
By Nathan Seppa -
Health & MedicineNew material could support stem cell development
A ’smart’ gel could help coax stem cells to develop into heart cells.
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LifeDinosaurs broiled, not grilled
Debris from K-T impact could have been heat source and heat shield.
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PaleontologyNew fossil helps solidify dino origins
The dog-sized creature bolsters the notion that early dinosaurs first appeared in what is now South America.
By Sid Perkins -
EarthEarth’s atmosphere may be extraterrestrial in origin
Analyses of krypton, xenon hint that air didn’t fizz from within the planet.
By Sid Perkins -
LifeFruit flies can be alcoholics too
Drinking behavior of Drosophila shows similarities to human addiction.
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SpaceHeat-seeking WISE spacecraft to scan the skies
The new instrument promises to discover millions of infrared-bright galaxies and thousands of previously unknown asteroids and brown dwarfs.
By Ron Cowen -
LifeWhen feminine beauty thrives on competition
Gorgeous plumage for both starling sexes comes from rivalry in co-op nests
By Susan Milius -
AnthropologyAncient Maya king shows his foreign roots
Copán’s first king may have been part of a colonial expansion by another, distant Maya kingdom.
By Bruce Bower -
EarthThe big spill: Flood could have filled Mediterranean in less than two years
Discovery of a distinctive channel and new calculations of possible water movement suggest a fast and furious flow formed the sea.
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HumansAnother livestock drug endangers vultures
After one veterinary NSAID almost wiped out vultures in South Asia, one of the possible replacements turns out to be toxic too.
By Susan Milius