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Download issue 38 PDF. But the political controversies about his body have severely hampered his value to science for 20 years. View all the latest top news in the environmental sciences, or browse the topics below:. That idea has been known as the Solutrean hypothesis. This allowed the researchers first to establish that the Ancient Beringian group was more closely related to early Native Americans than their Asian and Eurasian ancestors, and then to determine the precise nature of that relationship and how, over time, they split into distinct populations. Our selection of the week's biggest research news and features direct to your inbox from the University of Cambridge.
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What the ancient DNA discovery tells us about Native American ancestry

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Native American origins: When the DNA points two ways

The divide probably occurred after their ancestors had passed through, or around, the Laurentide and Cordilleran ice sheets — two vast glaciers which covered what is now Canada and parts of the northern United States, but began to thaw at around this time. A second theory is that a single group moved out of Asia, then split into Beringians and ancient Native Americans once in Beringia. They spread southward, eventually reaching the tip of South America. The new study posits two new possibilities for how the separation could have happened. But another wave of migrants from Siberia did not stop in Alaska.
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Tracing ancient Asia-America migration in language | Europe | Al Jazeera

Mansur Mirovalev Mansur Mirovalev is a Moscow-based writer and video journalist who covers wars and peace in the former Soviet Union. The Sino-Caucasian linguistic group, he proposed, also included dozens of languages spoken in Russia's mostly Muslim region of North Caucasus. The latest stories from Science News for Students. Again, this supports the idea of a single, small population seeding the continents, and—unlike in Europe or Asia—these people being cut off, with little admixture from new populations for thousands of years, at least until Columbus. The study of Native American populations is technically very challenging because of the widespread occurrence of European and African mixture in Native American groups.
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Native American populations descend from three key migrations Jul 11, Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. ACS is an annual nationwide survey that provides detailed demographic, social, and economic data for smaller populations like Native Americans and the thirteen distinct ethnic groups that make up the Asian American population. Those exchanges presumably sparked the geographic spread of metalworking, the wheel and wagon, and Indo-European languages still spoken in much of the world. Some genetic genealogy companies will sell you kits that claim to grant you membership to historical peoples, albeit ill-defined, highly romanticized versions of ancient Europeans.
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