Who Were the Ancestors of Native Americans? A Lost People in Siberia, Scientists Say. your-feed-science, Native Americans, Genealogy, Genetics and Heredity, DNA (Deoxyribonucleic Acid), Skeletons, ARCHAEOLOGY AND ANTHROPOLOGY, Ice Age, Nature (Journal), University of Copenhagen, Willerslev, Eske, Bering Sea, ALASKA, Greenland, Siberia