Related topics: dinosaurs · fossil

Fossil dental exams reveal how tusks first evolved

A wide variety of animals have tusks, from elephants and walruses to five-pound, guinea pig-looking critters called hyraxes. But one thing tusked animals have in common is that they're all mammals—there are no known fish, ...

Chimp filmed cleaning dead son's teeth

(Phys.org)—A trio of researchers from the U.K., the Netherlands and the U.S. has filmed a grown female chimpanzee cleaning her son's teeth after he died. In their paper published in the journal Scientific Reports, Edwin ...

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