In this episode, Xavier Bonilla has a dialogue with Nicholas Christakis about cooperation, social networks, and tribalism. They discuss how humans are more cooperative and have a propensity for good than many people emphasize. They talk about the social suite and examples of unintentional, intentional, and artificial communities. They discuss positive and negative aspects of cooperation, punishment, and social networks. They discuss friendship, in-group tribalism, social learning, teaching, and culture. They also provide a brief update on where COVID-19 is at the moment and what we can expect in the next few years.