According to de Waal’s research, there are four pillars of morality for humans and social animals towards each other in their groups (reciprocity, sense of fairness, empathy, and compassion). What happened in the fairness study with the capuchin monkeys? How do humans act when things are unfair? What are the characteristics of chimpanzee alpha males? What person in your life would you describe as a human alpha male or alpha female and why?