The Tyrannosaurus rex may have had excellent vision.

The Arctic hare has short ears to minimize heat loss.

Fact #885 · Human Body

Ankylosaurs had armored bodies and clubbed tails.

Fact #629 · Human Body

The Earth's mantle is composed of semi-solid rock.

Fact #329 · Human Body

The human body is about 60% water.

Fact #45 · Human Body

In 1809, two countries declared war and then forgot to sign a peace treaty for years.

Fact #805 · Human Body

The human eye can distinguish millions of colors.

Fact #74 · Human Body

An adult giraffe can clean its ears with its tongue.

Fact #248 · Human Body

The Olympic Games are held every four years.

Fact #923 · Human Body