By weight, Bone is five times stronger than steel.
417
A man's beard grows fastest when he anticipates sex.
239
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The human brain has the capacity to store everything that you experience.
4k
The world's shortest man measures only 21.5 inches.
73
Yawns are more contagious among people with closer relationships.
163
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Mushrooms are more closely related to humans than they are to plants.
47