The world's shortest man measures only 21.5 inches.
73
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The average sperm cell swims at 8 inches per hour.
4
Obsessive nose picking is called Rhinotillexomania.
101
The human eye blinks an average of 4,200,000 times a year.
233
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
You can't tickle yourself.
29