You see your nose at all times, your brain just chooses to ignore it.
30
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The average person's skin weighs twice as much as their brain.
131
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Your body is creating and killing about 2.4 million red blood cells per second.
17
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