Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
In one day, adult lungs move about 10,000 litres of air.
11
Only humans shed emotional tears.
331
Poor eyesight (myopia) is associated with higher IQ.
232
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
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
It takes about 20 seconds for a red blood cell to circle the whole body.
102