Extracting information from ancient teeth

There's a surprising amount of information stored in the hardened plaque, or calculus, between teeth. And if that calculus belongs to the remains of a person who lived in ancient times, the information could reveal new insights ...

Ancient proteins help track early milk drinking in Africa

Tracking milk drinking in the ancient past is not straightforward. For decades, archaeologists have tried to reconstruct the practice by various indirect methods. They have looked at ancient rock art to identify scenes of ...

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