The human eye can detect the difference between two shades of green better than any other color.

The Earth's rotation is gradually slowing over time.

Fact #105 · Human Body

A hyena’s jaw is powerful enough to crush bone.

Fact #502 · Human Body

Multitasking often reduces overall task performance.

Fact #950 · Human Body

Your bones are stronger than steel.

Fact #1716 · Human Body

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

Fact #366 · Human Body

Fossils form when organisms are preserved in sediment over millions of years.

Fact #678 · Human Body

Some insects have compound eyes made of many lenses.

Fact #513 · Human Body

The Peloponnesian War lasted nearly three decades.

Fact #1442 · Human Body