Prehistoric Boy May Be Native American 'Missing Link' LiveScience.com By By Charles Q. Choi, LiveScience ContributorFebruary 12, 2014 A prehistoric boy's DNA now suggests that ancient toolmakers long thought of as the first Americans may serve as a kind of "missing link" between Native Americans and the rest of the world, researchers say. The findings reveal these prehistoric toolmakers are the direct ancestors of many contemporary Native Americans, and are closely related to all Native Americans. Scientists investigated a prehistoric culture known as the Clovis, named after sites discovered near Clovis, N.M. Centuries of cold, nicknamed the "Big Freeze," helped...