America's Frst Settlers Were Trapped in Beringia for 10,000 Years
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Genetic evidence proves that Asian populations made the trek across Beringia roughly 25,000 year ago. But a recent genetic analysis of mitochondrial DNA shows that these populations didn't actually make it to North America until about 15,000 years ago. Quite obviously, it shouldn't take a group of paleolithic-era humans 10,000 years to trek across a 51 mile stretch. So what happened?
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