Lie Detector | The Heart of a Liar | S43...

About this episode

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 f ... Show More

Up next

Apr 2021

Breaking The Sound Barrier | A Bullet With Wings | S45-E1

<p>In the 1940s, as planes got faster, it seemed like they were hitting a wall -- literally. Many pilots tried to travel faster than the speed of sound, often with fatal results. Could American test pilot Chuck Yeager succeed where they had failed? Or would his daredevil attitude ... Show More

42m 38s

Apr 2021

Hacking | What’s in the Blue Box? | S46-E1

<p>Hackers: the criminals who prey on our digital lives. Today they steal credit cards and personal information, or even commit acts of cyber-terrorism. But in the early days, hackers were largely seen as harmless pranksters. And it wasn’t computers they were initially interested ... Show More

40m 38s

Apr 2021

Hacking | What’s in the Blue Box? | S46-E1

Hackers: the criminals who prey on our digital lives. Today they steal credit cards and personal information, or even commit acts of cyber-terrorism. But in the early days, hackers were largely seen as harmless pranksters. And it wasn’t computers they were initially interested in ... Show More