How did the Eastern Island Maoi Get 13-Ton Hats

One of my interests in the peopling of the Americas are the Easter Island maoi statues made by the Rapanui people. I've posted before about how they were moved. As if the moai themselves weren't impressive enough, a new paper in the Journal of Archaeological Science looks at how this preindustrial society put 13-ton hats or... Continue Reading →

A new paper in Nature Communications documents a strange bottleneck event occurring about 7,000 years ago, where the genetic diversity of the Y chromosome completely collapsed leaving about one male to 17 females. We all know the agricultural revolution happened around 12,000 years ago. Societies grew in size and many organized around patrilineal kinships. Turning... Continue Reading →

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