One human hair can support 3 ounces.
191
Redheads require up to 20% more anesthesia to be knocked out.
112
Intelligent people have more zinc and copper in their hair.
233
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
A man's beard grows fastest when he anticipates sex.
239
In North Korea, you are forced to choose one of 28 government-approved haircuts.
4