A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
One quarter of the human brain is used to control the eyes.
43
Pain travels through the body at 350 feet per second!
23
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
The smallest human penis ever recorded was just 5/8 of an inch long!
77
Poor eyesight (myopia) is associated with higher IQ.
232