Uploaded March 2021 | Updated September 2026, 2 weeks ago

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Your life story is hidden in your teeth. The days, weeks, years, and stressful events of your life are recorded in tiny timelines that can be read by scientists like Leakey Foundation grantee Dr. Tanya Smith.

She and her colleagues used fossil teeth to tell a detailed and intimate story about the lives of two Neanderthal children and the changing world they lived in.

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