Into the cold heart of North America
New research on how the first human settlers arrived in North America
About fifteen thousand years ago, people from Siberia travelled to the Americas across the Bering Strait. Then, they traveled south through the interior of the continent when retreating ice sheets created a corridor.Questions have been raised before about whether this route would actually have been viable, but a new piece of research raises the possibility that we might finally need to re-write those textbooks.
Dr. Alywnne Beaudoin is Head Curator of the Earth Sciences section of the Royal Alberta Museum in Edmonton, Alberta. She was part of a large, international team that believes the settlers of the Americas couldn't have used the ice-free corridor.
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