News
- Archaeology
Ancient Siberians may have rarely hunted mammoths
Occasional kills by Stone Age humans could not have driven creatures to extinction, researchers say.
- Life
In the real world, cheetahs rarely go all out
Famous for speed, the big cats actually rely on acceleration and maneuverability to capture prey.
- Life
Nail-generating tissue also regrows fingertips
Stem cells spur return of amputated digits in mice
- Health & Medicine
Headers linked to memory deficit in soccer players
Abnormalities in three brain regions found among those who head the ball most frequently.
- Science & Society
Chimps in captivity may soon join endangered species list
Proposal would extend protections to both wild and captive primate populations.
