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
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Within three days of death, the enzymes that once digested your food begin to eat you.
22
If your DNA was stretched out it would reach to the moon 6,000 times.
256
One human hair can support 3 ounces.
191