The Sahara was a lush, green savanna as recently as 5,000 years ago.

The Thirty Years’ War affected much of Central Europe.

Fact #1171 · Human Body

A horned lizard can squirt blood from its eyes as a defense.

Fact #538 · Human Body

Your brain uses 20% of your energy.

Fact #1709 · Human Body

The Arctic hare has short ears to minimize heat loss.

Fact #885 · Human Body

The axolotl can regenerate limbs and even parts of its heart.

Fact #366 · Human Body

Some snakes shed their skin multiple times a year.

Fact #485 · Human Body

Ants do not have lungs and breathe through small openings in their bodies.

Fact #351 · Human Body

A king cobra can raise a third of its body off the ground.

Fact #421 · Human Body