The Congo River reverses the flow of its tributaries during floods — a rare hydrological phenomenon.

The Amazon rainforest plays a role in carbon cycling.

Fact #236 · Nature

A chameleon changes color primarily for communication and temperature control.

Fact #431 · Nature

Dinosaurs lived on every continent.

Fact #730 · Nature

A snow owl hunts primarily in open landscapes.

Fact #512 · Nature

Certain fish form schools to reduce predation risk.

Fact #479 · Nature

Certain plants have waxy leaves to reduce water loss.

Fact #902 · Nature

Some fish can generate electric fields.

Fact #658 · Nature

Sinkholes can form when underground rock dissolves.

Fact #827 · Nature