The number pi (π) has been calculated to over 100 trillion decimal places — and never repeats.

Some plants grow toward light sources.

Fact #138 · Animals

Some birds can sleep while flying.

Fact #332 · Animals

Certain birds use mud to construct their nests.

Fact #562 · Animals

Certain ants build floating rafts during floods.

Fact #387 · Animals

A moose has long legs adapted for walking in snow.

Fact #518 · Animals

Elephants have one of the longest gestation periods of any land animal.

Fact #386 · Animals

A kangaroo cannot walk backward easily.

Fact #375 · Animals

Certain ants can survive floods by forming living rafts.

Fact #550 · Animals