Polar bears have black skin beneath their white fur.

The Thirty Years’ War affected much of Central Europe.

Fact #1171 · Human Body

Atmospheric rivers can deliver massive amounts of rainfall.

Fact #845 · Human Body

An African elephant's ears help regulate its body temperature.

Fact #445 · Human Body

The first forests appeared during the Devonian period.

Fact #710 · Human Body

Cats can rotate their ears independently.

Fact #1336 · Human Body

The first artificial heart was implanted in the 1980s.

Fact #1209 · Human Body

The hatchetfish has a flattened body adapted to deep water.

Fact #1414 · Human Body

Multitasking often reduces overall task performance.

Fact #950 · Human Body