Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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.
22
Every hour one billion cells in the body must be replaced.
17
The first patented condom was meant to be reused!
47
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
Panophobia is the fear of everything.
52
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
The heart pumps about 1 million barrels of blood during an average lifetime!
30