It takes 17 muscles to smile, 43 to frown.
65
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Panophobia is the fear of everything.
52
Gardening is said to be one of the best exercises for maintaining healthy bones.
40
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
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
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