Morning Overview on MSN

Why ancient humans had straight teeth and never needed braces

For most of human history, straight, well spaced teeth were the norm, not a luxury that required years of metal and elastic ...
New Atlas

Tooth enamel protein used to identify sex of ancient human remains

Scientists at UC Davis have tested a new method for determining the sex of human remains based on proteins extracted from tooth enamel. Based on a study of 55 Native American remains dating between ...