News
- Anthropology
Ancient Maya warfare flared up surprisingly early
Extreme conflicts broke out well before the decline of the Maya civilization, researchers say.
- Earth
Decades of dumping acid suggest acid rain may make trees thirstier
Acidified soil loses calcium, which can affect trees’ ability to hang on to water.
- Climate
The Arctic is burning and Greenland is melting, thanks to record heat
A heat wave is melting Greenland’s ice and fueling blazes across the Arctic that are pumping record amounts of carbon dioxide into the air.
- Health & Medicine
Hospitalizations highlight potential dangers of e-cigs to teens’ lungs
E-cigarette use can harm the lungs, and eight Wisconsin teens who developed severe lung injuries after vaping may be the latest victims.
