One human hair can support 3 ounces.
191
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
If your DNA was stretched out it would reach to the moon 6,000 times.
256
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
There's 100 trillion good bacteria living in your body.
17
A person can live without food for about a month, but only about a week without water.
156
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The average sperm cell swims at 8 inches per hour.
76