Explore a fascinating hypothesis on bipedalism evolution in this 39-minute interview with Gregory Adams, a biology graduate from Northern Arizona University. Delve into Adams' theory that hominids may have evolved to walk upright on multiple occasions in prehistory. Learn about ancient landscapes, convergent evolution, and the evidence supporting this intriguing idea. Gain insights into Greg's background and the development of his hypothesis as he discusses it with MARK from Evolution Soup. Examine the possibility of bipedalism being a convergent trait and its implications for our understanding of human evolution.