Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
One human hair can support 3 ounces.
191
Tigers can see 6 times better at night than humans.
305
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82