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
If you hold farts in during the day, they'll just come out when you sleep.
16
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
A person can live without food for about a month, but only about a week without water.
156
