In this episode of Hidden Brain, we delve into the life and work of Philip Zimbardo, a prominent psychologist best known for the controversial Stanford Prison Experiment. The podcast juxtaposes Zimbardo's bold and sometimes reckless exploration of human evil with the careful, precise work of cartographers who strive to correct explorers' errors. Although Zimbardo's experiment raises ethical concerns and sparks scientific debate, it powerfully illustrates how situations can influence behavior, revealing that ordinary people can commit horrific acts under certain circumstances. This insight later informed his analysis of the abuses at Abu Ghraib prison. Ultimately, the episode challenges us to consider the nature of good and evil and whether our circumstances can turn individuals into heroes or monsters.