The world's largest cave, Hang Son Doong in Vietnam, is so large it has its own weather system.

Some clouds weigh millions of tons.

Fact #1715 · Nature

Certain sea slugs can incorporate stinging cells from their prey.

Fact #566 · Nature

A jellyfish moves by pulsing its bell-shaped body.

Fact #506 · Nature

Certain plants close their leaves when touched as a defense response.

Fact #891 · Nature

The Amazon rainforest influences global weather patterns.

Fact #206 · Nature

A scorpion glows under ultraviolet light.

Fact #435 · Nature

A beaver builds dams to create ponds.

Fact #516 · Nature

Some deep-sea fish have expandable stomachs to consume rare prey.

Fact #1407 · Nature