The world's shortest man measures only 21.5 inches.
73
Every human spent about half an hour as a single cell.
144
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The largest cell in the human body is the female egg and the smallest is the male sperm.
682