One human hair can support 3 ounces.
191
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
If you hold farts in during the day, they'll just come out when you sleep.
16
A person can live without food for about a month, but only about a week without water.
156
The average person's skin weighs twice as much as their brain.
131
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193