Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
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 arrange the first letters of the names of the main characters in Inception, you would get DREAMS.
-4
Billions of neutrinos pass unnoticed through your body every second.
6
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27