The Traitors and the science of sneaky lies

叛徒与诡辩之术

Science Quickly

2026-03-11

13 分钟
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In this episode of Science Quickly, we dive into the psychology of deception through the deliciously twisty lens of The Traitors, exploring why humans are surprisingly bad at detecting lies and what science says about it. SciAm reporter Jackie Flynn Mogensen joins host Kendra Pierre-Louis to break down research on lie detection, reveal why physical tells are often misleading and explain how contestants use (or fail to use) strategies backed by behavioral science. Recommended Reading: How to win The Traitors, according to science The Art of Lying This Is How Often People Lie in a Day E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Kendra Pierre-Louis, Fonda Mwangi, Sushmita Pathak and Jeff DelViscio. This episode was edited by Alex Sugiura, with fact-checking by Shayna Posses and Aaron Shattuck. Our theme music wa Learn more about your ad choices. Visit megaphone.fm/adchoices
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  • For Scientific American, science quickly.

  • I'm Kendra Pierre-Louis, in for Rachel Feldman.

  • The global reality TV show franchise The Traders has a simple premise.

  • Among a cast of, say, 23 people, roughly 20 are faithfuls and about three are traders.

  • The job of the traders is to lie, so they remain undetected.

  • The job of the faithfuls is to suss them out.

  • All of that led science breaking news reporter Jackie Flynn-Mogenson to wonder,

  • what does science have to tell us about how to spot liars?

  • And what can it tell us about how to be more effective liars?

  • She recently wrote about all this and is here to spill the deeps.

  • But before we get started,

  • if you're interested in the current US season of the traders and haven't seen it,

  • be warned, there will be spoilers.

  • Hi, Jackie, thanks for joining us today.

  • Thank you for having me.

  • I'm so excited to be here.

  • So for those who haven't seen the show, can you tell us a little bit about what Traders is?

  • Yes.

  • So Traders is essentially a reality TV game show that is a lot like the party game mafia,

  • if you've ever played it,