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Strange pits on 2 million-year-old teeth may reveal which human relatives are closely related to each other

Live Science
Summary
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90% Informative

New research suggests clusters of pits on the enamel of Paranthropus teeth are genetic rather than evidence of a disease.

The researchers looked at dozens of teeth from hominins who lived in eastern and southern Africa 3.4 million to 1.1 million years ago.

They found that the unusual UCS pitting was common across South African sites where the extinct species lived.

But they found only a handful of instances of possible UCS in other ancient hominin species.

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96

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98

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68

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formal

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English

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71

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long-living

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