Only 2% of the Earth's population are natural redheads.
13
Human hair and fingernails continue to grow after death.
7
Intelligent people have more zinc and copper in their hair.
233
A man's beard grows fastest when he anticipates sex.
239
Redheads require up to 20% more anesthesia to be knocked out.
112
The technical term for a cat’s hairball is a “bezoar.”
117