The average sperm cell swims at 8 inches per hour.
4
Pain occurs when sounds are above 130 db.
124
Human hair and fingernails continue to grow after death.
7
If the human eye was a digital camera, it would have 576 megapixels.
25
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Enamel is hardest substance in the human body.
61
Obsessive nose picking is called Rhinotillexomania.
101
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198