Obsessive nose picking is called Rhinotillexomania.
101
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
On average, there's 100 billion neurons in the human brain.
83
A man's beard grows fastest when he anticipates sex.
239
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Your thumb is about the same size as your nose.
124
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The human brain doesn't stop developing until about 25 years old.
102