Analysis of the oldest-known cemetery in the South Pacific may help resolve a longstanding debate over the origins and ancestry of Polynesians. Modern-day Polynesians bear strong cultural and linguistic similarities to the ancient people associated with the Lapita Culture who settled on Vanuatu more than 3,000 years ago. However, the origin of the Lapita people remains debated, with recent biological studies suggesting that the group may be of mixed ancestry with a strong contribution from Melanesian populations, who were already established on islands to the west near New Guinea. Frederique Valentin, Matthew Spriggs, and colleagues conducted morphological analyses involving craniometric...