News
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SpaceSigns of dark matter from Minnesota mine
An underground experiment in the U.S. bolsters the case that Earth plows through a halo of dark matter particles.
By Ron Cowen -
Health & MedicineBlame brain cells for lack of focus
Denser tissue in a particular brain region may result in higher distractibility, a new study finds.
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Health & MedicineCoronary bypass rates drop
Heart patients have been less likely to undergo the surgery since 2001, with many getting a less invasive procedure.
By Nathan Seppa -
LifeSickle-cell may blunt, not stop, malaria
Once thought to keep parasite out of cells, the trait appears to diminish the severity of infection.
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HumansNo nuts for you, Nutcracker Man
Tooth analysis shows huge-jawed hominid grazed on grasses and sedges.
By Bruce Bower -
EarthGrand Canyon born by continental lift
A "drip" deep within the Earth may have raised the Colorado plateau to create the spectacular landscape of the U.S. Southwest.
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EarthWith warming, Arctic is losing ground
Scientists anticipate big ecosystem changes as erosion spills nutrients into the sea
By Janet Raloff -
SpaceFormer planet may have grown a tail
Pluto appears to trail a cometlike cloud of gas.
By Ron Cowen -
LifeZap! More fish
An upgraded brain underlies the wide diversity in a family of electric fish, scientists say.
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EarthCurrents reach deep for seafloor larvae
Surface waters circulate more than a mile down, transporting organisms between distant ocean-bottom habitats.
By Devin Powell -
TechNanotubes coming to a screen near you
New technology promises brighter, bigger display screens that use less energy.
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LifeAntarctic humpbacks make a krill killing
Late-arriving sea ice enhances crustacean feast for whales, but the bounty may be fleeting.
By Susan Milius