How human values evolve
In a conversation with Frans De Waal, a primatologist and biologist. He is renowned for his work on animal behavior and emotions with a major focus on Chimpanzees. He has written numerous books including "Chimpanzee politics", "The bonobo and the athiest", and recently published "Mama's last hug"
Prof. Frans De Waal: https://www.emory.edu/LIVING_LINKS/people/dewaal.shtml