Episode details
Available for over a year
Helen and Cal find out about the science of cleaning with Phil from Procter & Gamble
Programme WebsiteUse ÃÛÑ¿´«Ã½.com or the new ÃÛÑ¿´«Ã½ App to listen to ÃÛÑ¿´«Ã½ podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Helen and Cal find out about the science of cleaning with Phil from Procter & Gamble
Programme Website