Обавезно погледајте. Можда из овога може нешто и да се научи.
Frans de Waal shows us a task he gave Capuchin monkeys to see if they responded to a sense of fairness. For the full video seehttp://www.youtube.com/watch?v=GcJxRqTs5nk
Frans de Waal is a Dutch primatologist and ethologist. He is the Charles Howard Candler professor of Primate Behavior in the Emory University psychology department in Atlanta, Georgia, and director of the Living Links Center at the Yerkes National Primate Research Center and author of numerous books including Chimpanzee Politics and Our Inner Ape.