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.
21
If you hold farts in during the day, they'll just come out when you sleep.
16
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
One human hair can support 3 ounces.
191
There's 100 trillion good bacteria living in your body.
17
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62