2.2 million-year-old teeth reveal secrets of human relatives found in a South African cave A cutting-edge technique for analyzing fossil tooth enamel is revealing remarkable new information about 2 million-year-old human relatives.

Turns out, even 2.2 million years ago, dental records were a thing. Ancient molars from South Africa are now spilling secrets about our distant relatives. #AncientGossip #ToothTales #Paranthropus