Fidgeting can burn about 350 calories a day.
201
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Enamel is hardest substance in the human body.
61
Ingrown toenails are hereditary.
15
The whiter your tongue, the more germs there are on it.
88
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14
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 unfolded your brain, it would cover an ironing board.
42