Native Americans migrated to the New World in three waves, Harvard-led DNA analysis shows

An exhaustive study of DNA taken from dozens of Native American groups that span from Canada to the tip of South America is helping to settle a question that has long divided scientists: When people arrived in the Americas more than 15,000 years ago, the Harvard-led research shows, they came in successive waves, not all at once.

View the original article here: Native Americans migrated to the New World in three waves, Harvard-led DNA analysis shows – Boston Globe

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