When did humans start experimenting with alcohol and drugs?

Humans constantly alter the world. We fire fields, turn forests into farms, and breed plants and animals. But humans don't just reshape our external world—we engineer our internal worlds, and reshape our minds.

This 5,000-year-old man had the earliest known strain of plague

The oldest strain of Yersinia pestis—the bacteria behind the plague that caused the Black Death, which may have killed as much as half of Europe's population in the 1300s—has been found in the remains of a 5,000-year-old ...

Did prehistoric women hunt? New research suggests so

For a long time, it was assumed that hunting in prehistoric societies was primarily carried out by men. Now a new study adds to a body of evidence challenging this idea. The research reports the discovery of a female body, ...

Birds share food with less fortunate conspecifics

People aren't the only ones who show sympathy. Birds also seem to care about the fate of conspecifics. They notice how much food the others already have and then share theirs with individuals that were not given any. "They ...

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