Social sciences Archaeology

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11 Oct 2021
A long-standing hypothesis, the dual-structure model, posits that Japanese populations derive dual ancestry from indigenous Jomon hunter-gatherer-fishers and succeeding Yayoi farmers. We conduct paleogenomic analyses of people of the Jomon, Yayoi, and Kofun periods from Japanese archaeological sites. We identify a later influx of East Asian ancestry in the Kofun period and clarify that the genome of the modern Japanese population is composed of three ancestral components, proposing a tripartite model of Japanese origins.
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17 May 2017
Researchers in the USA and Japan say they may have found the cause of the first mass extinction of life.

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