In this episode, Xavier Bonilla has a dialogue with Nichola Raihani about our social instinct for cooperation. They begin by discussing the first part of her book which details the genetic aspects of making one's body function and how cooperation is within each individual. They discuss the second part of the book on cooperation within the family unit. They talk about the power of kin selection and cooperative breeding. They dialogue about menopause, the grandmother hypothesis, and why cooperative breeding is important. They continue by discussing the third part of the book on cooperation with other humans and why reciprocity and interdependence are important for prosocial interactions. They talk about inclusive fitness and some of the differences between biological altruism and psychological altruism. They discuss the fourth and final part of the book where Nichola details punishment and the threat of punishment as being important for cooperation. They mention the value of reputation and social status and some of the darker elements of cooperation. 
Nichola Raihani is a researcher at her lab of social evolution and behavior and professor of evolution and behavior within the field of experimental psychology at University College London. She is a royal society university research fellow and fellow of the royal society of biology. Her primary research topic is on the evolution of cooperation in nature. Nichola's new book, The social instinct: How cooperation shaped the world, is available here and here. You can find her research here. Twitter: @nicholaraihani