We often think that maths is neutral or can't be harmful, because after all, what could numbers do to hurt us? In this episode, we talk to Dr. Maurice Chiodo, a mathematician at the University of Cambridge, who's now based at the Center for Existential Risk. He tells us why maths can actually throw out big ethical issues. Take the atomic bomb or the maths used by Cambridge Analytica to influence the Brexit referendum or the US elections. Together, we explore why it's crucial that we understan...