For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
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
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
A human being loses an average of 40 to 100 strands of hair a day.
133
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130