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
40% of all indigestion remedies sold in the world are bought by Americans.
8
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
Human thigh bones are stronger than concrete!
63
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Gardening is said to be one of the best exercises for maintaining healthy bones.
40
Only 1% of bacteria cause disease.
45
You're born with 300 bones, but when you get to be an adult, you only have 206!
17