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
Applying vodka to your face helps tighten your pores and can reduce the risk of acne breakouts.
19
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
The whiter your tongue, the more germs there are on it.
88
Your body is creating and killing 15 million red blood cells per second.
50
Most dreams last only 5 to 20 minutes.
79