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
The human brain doesn't stop developing until about 25 years old.
102
The average person's skin weighs twice as much as their brain.
131
You see your nose at all times, your brain just chooses to ignore it.
30
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
A person can live without food for about a month, but only about a week without water.
156