On programme today, Seb spoke to Timothy Hazledine, Emeritus Professor of Economics at the University of Auckland about the record profit supermarket owners have been making over the last few years, why groceries are becoming so expensive and when we can expect to see some change in the way the grocery sector is structured. Scott spoke to University of Otago Professor of Psychology Cliff Abraham about allegations of academic fraud made about a protein key in understanding Alzheimer’s Disease. Seb spoke to Lydia Chai, creator of a petition to ban Zealand’s export of plastic waste to developing countries in South East Asia, we’re joined by zoologist Andy Johnston for Creature of the Week, discussing pigeons.