Only humans shed emotional tears.
331
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Gorillas can catch human colds and other illnesses.
205
You can't tickle yourself.
29
The average person will go on a date at least 100 times before they finally marry.
33