For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use—people cleaning their teeth with sticks or fibers, or easing gum pain with makeshift "toothpicks." ...

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A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our teeth evolved from the piercing “body armor” of extinct fish, which ...

Teeth have played an underappreciated role in vertebrate evolution, argues zoologist Schutt (Cannibalism) in this animated study. Exploring the various forms and uses of animal teeth, he explains that ...