The human brain doesn't stop developing until about 25 years old.
102
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
A human being loses an average of 40 to 100 strands of hair a day.
133
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The human brain uses approximately as much energy as a 10 watt light bulb.
120
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17