The average person's skin weighs twice as much as their brain.
131
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Your thumb is about the same size as your nose.
124