During menstruation, the sensitivity of a woman's middle finger is reduced.
47
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Fingernails grow nearly 4 times faster than toenails.
31
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The skin on your lips is 200 times more sensitive than your fingertips.
345