News
- Anthropology
Ancient populations were game for growth
Archaeological evidence of a Stone Age shift in dietary preferences, from slow to swift small game, suggests that the human population rose sharply sometime between 100,000 and 50,000 years ago.
- Animals
Slithering on Air: Flying snakes glide through the treetops
The paradise tree snake flies by flattening its body and slithering through the air.
- Health & Medicine
New Antidote to Botulism: Drug neutralizes toxin in mouse tests
An experimental drug disables deadly botulism toxin much better than current treatment does.
- Earth
Long, Dry Spells: Lengthy droughts tied to long-lived La Niñas
A new study of persistent droughts that occurred in the United States during the past 3 centuries suggests that those dry spells may be associated with prolonged periods when sea-surface temperatures in the central Pacific were cooler than average.
