It's been the stock of movies for decades - and dreams for centuries - but do truth serums exist? Spoiler alert (you already knew this): they don't. But that's not for the lack of trying! We explore the heroes (or villains) of science trying to bring this mythical chemical into being!The Wholesome Show is Dr Rod Lamberts and Dr Will Grant, proudly supported by The Australian National Centre for the Public Awareness of Science!See omnystudio.com/listener for privacy information.