PHYSorg.com: PHYSorg news tagged with: native american occupation http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. First Americans arrived as 2 separate migrations, according to new genetic evidence The first people to arrive in America traveled as at least two separate groups to arrive in their new home at about the same time, according to new genetic evidence published online on January 8th in Current Biology, a Cell Press publication. http://www.physorg.com/news150642011.html Biology Thu, 08 Jan 2009 13:00:11 EST news150642011