Cats have 32 muscles in each ear, allowing them to rotate independently 180 degrees.

The stegosaurus had a brain about the size of a walnut.

Fact #627 · Human Body

Many insects have exoskeletons that protect them from dehydration.

Fact #876 · Human Body

The hatchetfish has a flattened body adapted to deep water.

Fact #1414 · Human Body

The Ice Age ended about 11,700 years ago.

Fact #698 · Human Body

The primacy effect describes better recall of early information in a sequence.

Fact #1477 · Human Body

A dog’s nose print is unique, similar to a human fingerprint.

Fact #1347 · Human Body

The Earth is slightly flattened at the poles.

Fact #131 · Human Body

Sea turtles have existed for over 100 million years.

Fact #1286 · Human Body