Why are we the only two-legged creature to develop an exclusively upright gait? And what did it mean to the development of the human species? CARTA brings you foremost experts to explore the many facets of these questions in this fascinating series with presentations from Dan Lieberman, Leslie Aiello and Matt Cartmill that explore the effect of running, walking and the upright gait on hominid evolution. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Science] [Show ID: 23442]