Can we be trained to be saviors? Psychology professor emeritus Philip Zimbardo aims to find out.

by Diana Aguilera

Long after his notorious prison experiment and soon after the Abu Ghraib scandal, the famous psychologist lobbies for a greater understanding of how evil systems subvert good people.

by Marina Krakovsky

What happened in the basement of the psych building 40 years ago shocked the world. How do the guards, prisoners and researchers from the Stanford Prison Experiment feel about it now?

by Romesh Ratnesar