One quarter of the human brain is used to control the eyes.
43
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
The whiter your tongue, the more germs there are on it.
88
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
