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Research highlight: Introducing a juvenile skeleton of Homo naledi

We put together excavation records, 3D imagery, and laboratory analysis of bones and teeth to understand the preservation of a skeleton from the Dinaledi Chamber.

Photo showing bones of DH7 in situ in Dinaledi Chamber excavation
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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
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Ninety percent of your brain is (not) useless

A close look at the idea that most of the brain is superfluous space, with a review of people who get by with extraordinarily small brain mass.

Ninety percent of your brain is (not) useless