One human hair can support 3 ounces.
191
The human brain doesn't stop developing until about 25 years old.
102
Your thumb is about the same size as your nose.
124
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human body contains over a billion miles of DNA.
147
Chewing gum boosts your brain power.
285
Every year your body replaces 98% of your atoms.
119
Your heart will pump about 212 million liters in its lifetime.
26