The human body contains enough carbon to make about 9,000 pencils.

Stress hormones prepare the body for a fight-or-flight response.

Fact #959 · Human Body

Some birds have hollow bones to reduce body weight for flight.

Fact #889 · Human Body

The gulper eel has a large mouth that allows it to swallow prey bigger than its body.

Fact #1386 · Human Body

A hyena’s jaw is powerful enough to crush bone.

Fact #502 · Human Body

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

Fact #1392 · Human Body

The Sumerians developed one of the earliest known writing systems.

Fact #644 · Human Body

The human body contains trillions of microorganisms.

Fact #233 · Human Body

In 2001, a Norwegian man survived a fall through ice by floating in near-freezing water.

Fact #800 · Human Body