Your brain can process an image in as little as 13 milliseconds.

The Sumerians developed one of the earliest writing systems.

Fact #599 · Human Body

The human brain contains roughly 86 billion neurons.

Fact #8 · Human Body

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

Fact #805 · Human Body

The Olympic Games are held every four years.

Fact #923 · Human Body

Smiling can influence mood through feedback to the brain.

Fact #951 · Human Body

The Earth's interior is layered into crust, mantle, and core.

Fact #338 · Human Body

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

Fact #1260 · Human Body

The human brain continues to develop into early adulthood.

Fact #83 · Human Body