The world's shortest man measures only 21.5 inches.
73
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Yawns are more contagious among people with closer relationships.
163
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Our brains have a negativity bias and will remember bad memories more than good ones.
15
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Pain occurs when sounds are above 130 db.
124