If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human body contains over a billion miles of DNA.
147
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
One human hair can support 3 ounces.
191
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Your body is creating and killing about 2.4 million red blood cells per second.
17