Your brain constructs reality.

Camels have specialized red blood cells that help them survive dehydration.

Fact #856 · Human Body

The Empire State Building was completed in just over a year.

Fact #1512 · Human Body

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

Fact #415 · Human Body

Mammoths and early humans lived at the same time.

Fact #633 · Human Body

Octopuses have three hearts and blue blood.

Fact #1674 · Human Body

The human body contains trillions of cells.

Fact #90 · Human Body

An ostrich's eye is larger than its brain.

Fact #349 · Human Body

The Earth's inner core is primarily iron and nickel.

Fact #150 · Human Body