An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A person can live without food for about a month, but only about a week without water.
156
All 13 minerals necessary for human life can be found in alcohol beverages.
282
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The average person's skin weighs twice as much as their brain.
131
Yawns are more contagious among people with closer relationships.
163
The average sperm cell swims at 8 inches per hour.
4
Gorillas can catch human colds and other illnesses.
205