Platypuses don't have stomachs — food goes straight from the esophagus to the intestine.

Ankylosaurs had armored bodies and clubbed tails.

Fact #629 · Human Body

The Sumerians developed one of the earliest known writing systems.

Fact #644 · Human Body

Your bones are stronger than steel.

Fact #1716 · Human Body

The first successful kidney transplant occurred in 1954.

Fact #1221 · Human Body

Water covers more than 70% of Earth's surface.

Fact #86 · Human Body

Some fish can learn by observing other fish.

Fact #1315 · Human Body

Some insects can lift many times their body weight.

Fact #213 · Human Body

Your stomach replaces itself every few days.

Fact #1696 · Human Body