New data further supports that humans in the Americas arrived in a single wave from Siberia via the Bering Straight land bridge 12,000 years ago, fanning down the coast to today's South America.
Led by the University of Michigan, the study addresses a long debated topic among archaeologists and anthropologists: From where and when did people arrive in the New World. The land bridge's competing hypothesis strongly argues that people came by land and sea in successional waves over the past 30,000 years from various parts of Asia and/or Polynesia.
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