Humans are shockingly bad at telling whether or not someone is lying. That’s why, a century ago, psychologists and criminologists developed machines to detect lies for us, by measuring blood pressure, pulse, and breathing rate. Their lie detectors promised to revolutionize the criminal justice system. But is it really possible for science to separate truth from lies?Listen to new episodes 1 week early and to all episodes ad free with Wondery+. Join Wondery+ for exclusives, binges, early access, and ad free listening. Available in the Wondery App https://wondery.app.link/innovations.Support us by supporting our sponsors!Peloton - Go to onepeloton.com to learn more.Monday.com - To start your free 14-day trial go to monday.com.Pitney Bowes - Go to pb.com/AI to access this special offer for a FREE 30-day trial PLUS a FREE 10-pound scale to get started.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.