Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
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
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
You can't tickle yourself.
29
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92