Eric Walker added World's oldest family tree created using DNA - BBC News to Genetic genealogy, anthropology and archaeology and 2003 David Reich and Harvard Medical School

Eric Walker added The Skeletons at the Lake | The New Yorker to a number of topics

Eric Walker added World's oldest family tree created using DNA - BBC News and The Skeletons at the Lake | The New Yorker to Genetic genealogy, anthropology and archaeology, and added Genetic genealogy, anthropology and archaeology to Genetic genealogy, Anthropology and Archeology

Eric Walker added Genetic genealogy, anthropology and archaeology and Genealogical DNA testing and a number of links to Genetic genealogy, and added Genetic genealogy to Genes, genetics and epigenetics

Eric Walker added a number of topics and a number of links to Archeology, and added Archeology to Science, engineering, mathematics and the humanities and History, prehistory and geologic time

Eric Walker added Genetic genealogy, anthropology and archaeology, Paleoanthropology and Anthropologists and How Cultural Anthropologists Redefined Humanity | The New Yorker to Anthropology, and added Anthropology to Science, engineering, mathematics and the humanities