You see your nose at all times, your brain just chooses to ignore it.
30
A person can live without food for about a month, but only about a week without water.
156
There's 100 trillion good bacteria living in your body.
17
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
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
