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First Evidence Of Ancient Great White Shark Nursery

First Evidence Of Ancient Great White Shark Nursery
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South American steel import market strengthens with China mostly absent

South American steel import market strengthens with China mostly absent The South American flat-rolled steel import market strengthened during the week ended Friday April 9, with clients accepting what little material was available from China and other origins at higher prices. Customers on the South American Pacific coast seem to be increasingly anxious that they may not be able to receive firm offers for June shipment from Chinese mills [and] already started to accept our initial offers, a source from a mill outside of China said. In Brazil, traders had few, if any, material to offer, while buyer appetite remained strong.

Deep genetic affinity between coastal Pacific and Amazonian natives evidenced by Australasian ancestry

A signal of genetic affinity between present-day and ancient natives from South America and present-day indigenous groups of South Asia, Australia, and Melanesia has been previously reported (1⇓⇓–4). This Australasian−Native American connection persists as one of the most intriguing and poorly understood events in human history. The controversial Australasian population genetic component (i.e., “Ypikuéra population” or “Y population” component) was identified exclusively in the present-day Amazonian populations (2), suggesting at least two different founding waves leading to the formation of the people of this region. The first wave was inferred to be composed of direct descendants of the Beringian standstill population, and a second wave was formed by an admixed population of Beringian and southeast Asian ancestors that reached Beringia more recently. Both these populations would have settled and admixed in the Amazon region.

Indigenous South American tribes found to have evidence of ancient Australian DNA

Indigenous South American tribes found to have evidence of ancient Australian DNA
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