Grizzly bears can run at speeds over 30 miles per hour.

There are more possible shuffles of a deck of cards than seconds since Earth formed.

Fact #1675 · Human Body

A gecko can climb vertical surfaces using microscopic hairs on its feet.

Fact #415 · Human Body

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

Fact #805 · Human Body

A sea anemone uses stinging cells to capture prey.

Fact #437 · Human Body

The human body is about 60% water.

Fact #45 · Human Body

Polar bears have black skin beneath their white fur.

Fact #26 · Human Body

The first artificial heart was implanted in the 1980s.

Fact #1209 · Human Body

The human skeleton is made up of over 200 bones in adulthood.

Fact #34 · Human Body