Fidgeting can burn about 350 calories a day.
201
A person can live without food for about a month, but only about a week without water.
156
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
The human body contains over a billion miles of DNA.
147
Your body is creating and killing 15 million red blood cells per second.
50