You Have Real Gold On Your Head
Human hair contains trace amount of 14 different elements, including zinc, copper and manganese. Also in the hair shafts exists nanoparticles of gold. In a study, the non-essential gold behaves in the hair of infants just like the physiologically important essential trace elements zinc and copper.
from Mental Floss
Key Facts In This Video
Oils collect on the surface of hairs, but not all of it is bad. (0:50)
Rollie Fingers, a baseball player, refused to join the Cincinnati Reds because they wanted him to get rid of his signature mustache. (3:03)
Ancient Indians believed doing headstands would force new hair to grow. (4:30)