Saraceni is linking a study about Rapa Nui genetics. It's really a replication-paper; not-all-that-modern geneticists were already saying that "Easter" Islanders have some American-coast genes. Like... years ago. Honestly Thor Heyerdahl had got this (one) thing right generations before.
Aaron Ragdale points out that, yes, we already knew. But replication is in crisis: so confirming 2020-era genetics from modern samples, with 2024-era ancient samples, means we can trust the 2020s methods elsewhere, where ancient samples aren't so easy to find. Like elsewhere in the preColombian Americas. Like in Africa, or India.
One amusing finding is that Rapa Nui did not "collapse" because of environmental failure, contra Jared Diamond; it did not collapse at all. Well... until the Peruvians conquered and enslaved everybody, like Maori, or for that matter Huari.
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