A man's beard grows fastest when he anticipates sex.
239
Your heart will pump about 212 million liters in its lifetime.
26
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Your fingernails grow faster in summer.
744
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
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
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