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How dogs’ health reflects our own, and what ancient DNA can reveal about human sacrifice

Science Magazine Podcast

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Preservation of Ancient DNA in Petros Bones

In the past, there was a misconception that ancient Maya bones were connected to sacrifices of girls or children. Until 2014, these bones were stored with this belief. Researchers have discovered that the best bone for extracting ancient DNA is the petros bone found in the inner ear, which is denser and preserves DNA better than other bones like teeth.

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