scitechdaily.com
Primate Teeth Just Rewrote a Key Chapter of Human Evolution
A large comparative study of primate teeth shows that grooves once linked to ancient human tooth-picking can form naturally, while some common modern dental problems appear uniquely human. For many years, narrow grooves found on ancient human teeth were widely interpreted as signs of intentional behavior, such as cleaning teeth with sticks or fibers, or [...]
New Posts (Home)
ChatBox
Popular Posts 
Game Zone
Top PodCasts
