Why We Hate

Humans are capable of love and cooperation, so why do we treat each other with cruelty and violence? Evolutionary anthropologist Brian Hare searches for the origins of hate in our distant past and in our contemporary environment.

Why do we divide the world into 'us' and 'them'? Cognitive scientist Laurie Santos examines tribalism, asking why love for our group can make us hate other groups, and how tribal thinking shapes our perceptions.

If we all have the capacity to hate, what awakens these tendencies? Journalist and author Jelani Cobb investigates how tools like propaganda, dehumanization, the internet, symbols and more can incite, amplify and spread hatred.

From white nationalism to Islamic terrorism, extremism expert Sasha Havlicek explores the complicated factors that draw people toward ideologies that fuel hate and violence, and what may help put out those flames.

International criminal lawyer, Patricia Viseur Sellers, leads a quest to understand the leaders and followers of genocide and other crimes against humanity, as well as the ordinary heroes who resist these acts.

Neuroscientist Emile Bruneau explores how humans can use their capacity for critical thinking, their brain plasticity and strategies like education and cooperation to help combat hate.