After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
One human hair can support 3 ounces.
191
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
The human brain uses approximately as much energy as a 10 watt light bulb.
120
A human being loses an average of 40 to 100 strands of hair a day.
133
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130