If you want to overthrow a dictator, resist an authoritarian regime, or create a movement that can change the national status quo, you don’t need half the country to join, you only need 3.5 percent of the population – but there are some caveats, and Erica Chenoweth, whose research led to the discovery of the 3.5 Percent Rule, explains them to us in this episode.

In this episode, the story of Clever Hans, the horse who changed psychology for the better. We also sit down with psychologist and magician Matt Tompkins. Matt is the author of The Spectacle of Illusion, a book about the long history of the manipulation of our own magical thinking and how studying deception, and especially self-deception, can help us better understand perception, memory, belief, and more.