clovis culture
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Cosmic Rays and Perturbed Boulders Suggest First People to Reach Americas Came by Coast
The opening of the ice-free corridor that linked Beringia to the North American interior happened potentially thousands of years after the first human migrations to the continent, according to new evidence. Scientists say this finding should bolster the idea that ancient humans travelled to the Americas along a coastal route, but other researchers remain sceptical.