If your DNA was stretched out it would reach to the moon 6,000 times.
256
Early American humans hunted car-size armadillos and used their shells for houses.
12
Your heart will pump about 212 million liters in its lifetime.
26
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
On average a woman has 4 sexual partners in her lifetime.
-143
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
We share 70% of our DNA with a slug.
218