Ideas change everything

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Playlist

Inside the mind of psychopaths

An illuminating, if not slightly chilling, exploration of what makes a psychopath.

Strange answers to the psychopath test

Is there a definitive line that divides crazy from sane? With a hair-raising delivery, Jon Ronson, author of The Psychopath Test, illuminates the gray areas between the two. (With live-mixed sound by Julian Treasure and animation by Evan Grant.)

Why some people are more altruistic than others

Why do some people do selfless things, helping other people even at risk to their own well-being? Psychology researcher Abigail Marsh studies the motivations of people who do extremely altruistic acts, like donating a kidney to a complete stranger. Are their brains just different?

Can you really tell if a kid is lying?

Are children poor liars? Do you think you can easily detect their lies? Developmental researcher Kang Lee studies what happens physiologically to children when they lie. They do it a lot, starting as young as two years old, and they're actually really good at it. Lee explains why we should celebrate when kids start to lie and presents new lie-detection technology that could someday reveal our hidden emotions.

Exploring the mind of a killer

Psychopathic killers are the basis for some must-watch TV, but what really makes them tick? Neuroscientist Jim Fallon talks about brain scans and genetic analysis that may uncover the rotten wiring in the nature (and nurture) of murderers. In a too-strange-for-fiction twist, he shares a fascinating family history that makes his work chillingly personal.

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