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.