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Most scientists now reject the idea that the first Americans came by land
Researchers embrace the kelp highway hypothesis in “a dramatic intellectual turnabout.”
ANNALEE NEWITZ
... In the 2000s, overwhelming evidence suggested that a pre-Clovis group had come to the Americans before there was an ice-free passage connecting Beringia to the Americas. As Smithsonian anthropologist Torben C. Rick and his colleagues put it, "In a dramatic intellectual turnabout, most archaeologists and other scholars now believe that the earliest Americans followed Pacific Rim shorelines from northeast Asia to Beringia and the Americas" ...
https://arstechnica.com/science/201...ree-that-humans-came-to-the-americas-by-boat/
Most scientists now reject the idea that the first Americans came by land
Researchers embrace the kelp highway hypothesis in “a dramatic intellectual turnabout.”
ANNALEE NEWITZ
... In the 2000s, overwhelming evidence suggested that a pre-Clovis group had come to the Americans before there was an ice-free passage connecting Beringia to the Americas. As Smithsonian anthropologist Torben C. Rick and his colleagues put it, "In a dramatic intellectual turnabout, most archaeologists and other scholars now believe that the earliest Americans followed Pacific Rim shorelines from northeast Asia to Beringia and the Americas" ...
https://arstechnica.com/science/201...ree-that-humans-came-to-the-americas-by-boat/