If your DNA was stretched out it would reach to the moon 6,000 times.
256
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The human brain uses approximately as much energy as a 10 watt light bulb.
120
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human body contains over a billion miles of DNA.
147