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teeth

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Fossil profile: AL 400-1 mandible and the curving line of human evolution

Australopithecus afarensis was an early member of the hominin lineage, but it was not intermediate between humans and living great apes in all ways.

AL 400-1 mandible with information
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An unusual rate of dental chipping may give clues about Homo naledi's diet

Research by Ian Towle and coworkers finds that Homo naledi may have been eating foods with lots of grit.

A close-up photo of a Homo naledi tooth with a large chip on the edge
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Why are humans evolving to lack their wisdom teeth?

The frequency of M3 agenesis varies greatly among human populations. It may have to do with agricultural diets, but anthropologists aren't sure.

Panoramic X-ray image of human teeth in the upper and lower jaws