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en.wikipedia.org/wiki/Indigenous_peoples_of_the_Americas

According to archaeological and genetic evidence, North and South America were the last continents in the world to gain human habitation. During the Wisconsin glaciation, 50–17,000 years ago, falling sea levels allowed people to move across the land bridge of Beringia that joined Siberia to northwest North America (Alaska).

www.bbc.com/earth/story/20170328-the-first-people-who-populated-the-americas

The first people who populated the Americas. ... descendants of the Clovis people, who lived across North America about 13,000 years ago. This discovery came from a 2014 genetic study of a one ...

en.wikipedia.org/wiki/History_of_North_America

History of North America encompasses the past developments of people populating the continent of North America. While it was widely believed that continent first became a human habitat when people migrated across the Bering Sea 40,000 to 17,000 years ago, recent discoveries may have pushed those estimates back at least another 90,000 years.

www.independent.co.uk/news/science/north-america-first-humans-colonist...

News > Science Evidence of first ever humans to colonise North America found by scientists. Genetic analysis of ancient Alaskan child suggests the region was settled by people crossing from Asia ...

www.nationalgeographic.com/science/2018/11/ancient-dna-reveals-complex...

At several sites in North and South America, researchers have convincingly shown that pre-Clovis people arrived centuries before these tools appear. ( Learn more about the first Americans .)

www.theatlantic.com/science/archive/2017/10/a-brief-history-of-everyone-who...

A New History of the First Peoples in the Americas. ... of these tools who had been the first people to spread up and down the continents. ... picture of the people of postcolonial North America ...

www.nationalgeographic.com/news/2018/06/when-and-how-did-the-first-americans...

The first arrivals keep getting older and older because we’re finding more evidence as time goes on. Right now we can solidly say that people were across the Americas by 15,000 years ago.

www.smithsonianmag.com/smart-news/isolated-culture-thrived-arctic-4000-years...

Smart News Keeping you current The First People to Settle Across North America’s Arctic Regions Were Isolated for 4,000 Years New research shows that the first humans in the Arctic lived there ...

en.wikibooks.org/wiki/The_History_of_the_Native_Peoples_of_the_Americas/...

The first people to settle North America are thought to have crossed over from Asia during the last Ice Age (roughly 15,000 years ago). Around this time, huge amounts of water froze into glaciers, the Bering Strait between Siberia and Alaska drained, and a wide, low, treeless plain called Beringia connected the two continents.

www.nytimes.com/2017/04/26/science/prehistoric-humans-north-america-california...

Humans Lived in North America 130,000 Years Ago, Study Claims. ... The earliest widely accepted evidence of people in the Americas is less than 15,000 years old. Genetic studies strongly support ...