Amit Katwala, an expert on lie detectors, discusses their controversial origins, connection to deception and abuse, and their role in confessions and manipulation. The podcast explores the initial reaction to lie detector machines, the animosity between their creators, the misuse of the machines, and the doubts surrounding their reliability and impact on criminal cases.

Brian Clegg, a science writer with over 40 books to his name, joins Amit Katwala, an award-winning journalist from Wired, to debunk popular scientific myths. They tackle misconceptions like goldfish memory and water conductivity. Clegg emphasizes the importance of understanding science to navigate these false beliefs. Katwala shares the intriguing history of the polygraph, discussing its controversial reliability despite its frequent portrayal in media. Together, they unravel the truth behind both science and the myths that permeate our society.