News
- Earth
New 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.
- Health & Medicine
Heart bypass surgery outperforms stents in diabetics
Among patients getting multiple coronary blockages cleared, those assigned to surgery fared better.
- Space
Astronomers spot leftover light from ancient stars
Ancient photons leave their mark in high-energy radiation from powerful galaxies.
- Psychology
Too little money, too much borrowing
A contested study suggests that poverty contracts attention and detracts from financial decisions.
- Life
Extensive bird family tree rewrites some history
Unexpected pattern of evolution found across hemispheres.
