Eric Walker added How Did We Get to Be Human? - The New York Times to a number of topics
Eric Walker added We probably don’t descend from Australopithecus sediba | Ars Technica to a number of topics
Eric Walker added a number of topics and a number of links to Australopithecines, and added Australopithecines to Paleoanthropology and Hominins
Eric Walker added a number of links to Australopithecus afarensis, and added Australopithecus afarensis to Australopithecines