In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Early American humans hunted car-size armadillos and used their shells for houses.
12
Poor eyesight (myopia) is associated with higher IQ.
232
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
The average person will go on a date at least 100 times before they finally marry.
33
It takes about 20 seconds for a red blood cell to circle the whole body.
102