Next to bone marrow, hair is the fastest growing tissue in the human body.

The name for Oz in "The Wizard of Oz" was thought up when the creator, Frank Baum, looked at his filing cabinet and saw A-N, and O-Z, hence "Oz."

A chef's hat is shaped the way it is for a reason: its shape allows air to circulate around the scalp, keeping the head cool in a hot kitchen.

AMAZING FACTS