The human body glows faintly in complete darkness.

Fossils form when organisms are preserved in sediment over millions of years.

Fact #678 · Human Body

The steam engine powered early industrial machinery.

Fact #1544 · Human Body

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

Fact #86 · Human Body

Sea turtles have existed for over 100 million years.

Fact #1286 · Human Body

Learning involves changes in neural connections.

Fact #986 · Human Body

The fangtooth fish has some of the largest teeth relative to body size in the ocean.

Fact #1392 · Human Body

The longest winning streak in professional sports can span years.

Fact #940 · Human Body

The human skeleton renews itself over time.

Fact #133 · Human Body