For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The average sperm cell swims at 8 inches per hour.
76
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
Held in farts enter your bloodstream and are bad for your body.
26
Within three days of death, the enzymes that once digested your food begin to eat you.
22
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
If your DNA was stretched out it would reach to the moon 6,000 times.
256