Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Dieters who sleep more take off more fat that those who sleep less.
159
Smokers get ten times more wrinkles than non-smokers.
171
Every hour one billion cells in the body must be replaced.
17