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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The human body contains over a billion miles of DNA.
147