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The first Americans: How and when were the Americas populated?


The first Americans: How and when were the Americas populated?
by Mary Caperton Morton
Thursday, December 15, 2016
Archaeologists used to have a tidy story to explain the earliest peopling of the Americas: During the last ice age, when sea levels were much lower, a band of intrepid travelers walked from East Asia, over the Bering land bridge, and into Alaska. From there, they followed an ice-free corridor east of the Canadian Rockies south onto the megafauna-rich plains, eventually spreading throughout North and South America by 11,000 years ago and leaving a trail of finely shaped “Clovis” spear points in their wake.
But the story is not so simple. The once-dominant “Clovis First” Hypothesis has been overturned in recent years by discoveries of an array of pre-Clovis tools and campsites throughout North and South America that date to as early as 16,000 years ago. But how is it that people colonized the Americas so much earlier than once thought? F ....

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An Ancient Dog Bone Could Be Evidence of the Route Humans Took to North America


An Ancient Dog Bone Could Be Evidence of the Route Humans Took to North America
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charlotte lindqvistcoastal migrationdog breedsdogsdomesticated animalsenvironmentlast glacial maximumnative american dogssettlement of the americassled dogsled dog breeds
The canine bone fragment, found in Southeast Alaska. (Image: Douglas Levere/University at Buffalo)
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A fragment of 10,000-year-old dog bone found along the Alaskan coast could be the oldest evidence of domesticated dogs in North America, and potential evidence of a coastal route taken by the first people to cross into North America from Eurasia. ....

United States , United Kingdom , Timothy Heaton , Charlotte Lindqvist , Silva Coelho , Bob Wilder University At Buffalo , Douglas Levere University At Buffalo , Proceedings Of The Royal Society , University At Buffalo Ph , University Of South Dakota , University At Buffalo , North America , Coastal Migration Theory , Cordilleran Ice Sheet , Kelp Highway Hypothesis , Calvert Island , Royal Society , Evidence Suggests Dogs Reached North America , Ice Age , Wrangell Island , South Dakota , Buffalo Phd , Flavio Augusto , North Pacific , Coastal Migration , European American ,