Thousands Of Humans Inhabited New World's Doorstep For 20,000 Years
ScienceDaily (2008-02-13) -- The human journey from Asia to the New World was interrupted by a 20,000-year layover in Beringia. Furthermore, the New World was colonized by approximately 1,000 to 5,000 people -- a substantially higher number than the 100 individuals of previous estimates. The developments help shape understanding of how the Americas came to be populated -- not through a single expansion event but in three distinct stages separated by thousands of generations. ...