News
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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 -
SpaceAstronomers spot leftover light from ancient stars
Ancient photons leave their mark in high-energy radiation from powerful galaxies.
By Nadia Drake -
PsychologyToo little money, too much borrowing
A contested study suggests that poverty contracts attention and detracts from financial decisions.
By Bruce Bower -
LifeExtensive bird family tree rewrites some history
Unexpected pattern of evolution found across hemispheres.
By Susan Milius -
Health & MedicineMonkeys keep the beat without outside help
Nerve cells in the brain may regulate a precise sense of internal time-keeping.