In 1954, a scientist allowed himself to be bitten by mosquitoes to study malaria transmission.

Crows can recognize individual human faces.

Fact #15 · Animals

The Earth's oceans contain over 200,000 identified species.

Fact #180 · Animals

Some species of jellyfish can shrink and regrow their bodies.

Fact #428 · Animals

The platypus is one of the few mammals that lay eggs.

Fact #382 · Animals

A camel can drink large amounts of water in a short time.

Fact #458 · Animals

Some marine mammals communicate through clicks and whistles.

Fact #525 · Animals

An albatross can glide for hours without flapping its wings.

Fact #539 · Animals

Snow leopards use their long tails for balance.

Fact #371 · Animals