Bioarchaeologist Carolyn Freiwald traces the story of human migration across the Americas to illustrate what ancient teeth can reveal about you. This talk was filmed at TEDxUniversityofMississippi. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit http://go.ted.com/tedxshorts.

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