In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
On average a woman has 4 sexual partners in her lifetime.
-143
Early American humans hunted car-size armadillos and used their shells for houses.
12
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Enamel is hardest substance in the human body.
61
It takes about 20 seconds for a red blood cell to circle the whole body.
102
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The average person will go on a date at least 100 times before they finally marry.
33