The "pizza effect" helps explain why assumptions about the history and development of certain cultural practices and traditions are among the strongest historical myths out there, how they are self-reinforcing, and how they can build up mistaken images and misunderstandings about cultural identity. Along the way, we'll learn about such things as the "pizza renaissance" in Italy, the "Hindu renaissance across India, the "Cornish pasty renaissance" in south-west England, and the "Clancy Brothers" or "traditional music renaissance" in Ireland! Listen and let it all sink in!