For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Your heart will pump about 212 million liters in its lifetime.
26
Obsessive nose picking is called Rhinotillexomania.
101
Yawns are more contagious among people with closer relationships.
163
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
Our brains have a negativity bias and will remember bad memories more than good ones.
15