Matter: Crossing From Asia, the First Americans Rushed Into the Unknown Three new genetic analyses lend detail, and mystery, to the arrival of prehistoric humans in the Western Hemisphere. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Here’s What Oil Drilling Looks Like in the Arctic Refuge, 30 Years LaterTrilobites: An 8th Planet Is Found Orbiting a Distant Star, With A.I.’s HelpSpaceX Falcon 9 launch LIVE stream: Watch the ISS cargo delivery HEREBali volcano eruption update: Incredible drone footage looks INSIDE Mount Agung's craterNASA announcement: What did NASA reveal about its amazing Kepler discovery?Three-mile wide ASTEROID causing GEMINIDS meteor shower heading for Earth tomorrow night