A man's beard grows fastest when he anticipates sex.
239
Pain travels through your body at 350 ft. per second.
36
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
Surgeons who listen to music during operations perform better than those who don't .
87
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25