February 25th, 2015
Episode 169 of 836 episodes
Chromium: Justin Rowlatt visits the Warrs Harley dealership to find out from Professor Andrea Sella why this metallic element links the motorbikes on show, with the leather jackets and flick-knives of the archetypal biker gang. He hears from Erin Brockovich about the insidious role hexavalent chromium has played in drinking water and human health. And he travels to the luxury Savoy hotel in London, and the Harry Brearley memorial on a dingy post-industrial corner of Sheffield, to discover crucial role chromium plays in stainless steel.
Welcome to the Brain Training Podcast, the daily audio workout for your head. In this podcast we have two games for you, each with three rounds which get progressively harder. To enjoy the full experience, relax, and avoid distractions whilst you listen.