The jumping spider can jump 50 times its body length — equivalent to a human jumping 90 meters.

The Sumerians developed one of the earliest known writing systems.

Fact #644 · Human Body

The Peloponnesian War lasted nearly three decades.

Fact #1442 · Human Body

The human brain can process visual information in as little as 13 milliseconds.

Fact #941 · Human Body

The steam engine powered early industrial machinery.

Fact #1544 · Human Body

Some birds have hollow bones to reduce body weight for flight.

Fact #889 · Human Body

The Earth's mantle lies between the crust and core.

Fact #301 · Human Body

The human body produces heat through metabolism.

Fact #116 · Human Body

Some animals can regenerate entire body parts.

Fact #1779 · Human Body