Some spiders spin silk stronger than steel by weight.

Tardigrades can survive extreme radiation, freezing, and even space.

Fact #1882 · Nature

The chameleon changes color primarily for communication and temperature regulation.

Fact #860 · Nature

Avocados are technically berries — and they evolved to be eaten by giant ground sloths, which are now extinct.

Fact #3416 · Nature

The Arctic tern migrates farther than any other bird.

Fact #450 · Nature

Water can erode rock over long periods of time.

Fact #194 · Nature

Caribou migrate in large herds across Arctic regions.

Fact #1277 · Nature

Some fish can generate electric fields.

Fact #658 · Nature

Volcanoes can create new land through lava flows.

Fact #82 · Nature