University research center
Appears in 1 story · Last updated Sep 11, 2026
As of September 2026: Led the study
Two sets of remains from the Indonesian island of Sulawesi carry teeth worn into deep, rounded grooves and traces of betel nut residue in their dental tissue. One individual lived 25,000 to 16,000 years ago; the other 7,600 to 6,300 years ago.
Updated Sep 11
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