There's 100 trillion good bacteria living in your body.
17
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
The smallest human penis ever recorded was just 5/8 of an inch long!
77
One out of 20 people have an extra rib.
66
In Nepal, cow dung is used for medicinal purposes.
19
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
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15