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Science & Society

Aftermath of ancient eruption offers lessons in adapting to disaster

Climate

Matt Crenson, Reconstructions

In ancient Southwest droughts, a warning of dry times to come.

Humans

Matt Crenson, Reconstructions

Tools tell a more complicated tale of the origin of the human genus.

Health & Medicine

Coffee delivers jolt deep in the brain

Caffeine strengthens electrical signals in a portion of the hippocampus, a study in rats finds.

Humans

Two feet or four, software is the same

All walking animals use the same basic nerve patterns to put one leg in front of the other(s).