Professor Christoph Hoerl is interviewed, along with fellow physicists and psychologists, by Armando Iannucci in this fascinating programme which explores the mystery of why time seems to speed up as we get older, and how our perception of time passing is distorted by both our emotions and memory. How does our concept of “now” impact on our comprehension of the past and future? Listen here to discover more: https://www.bbc.co.uk/programmes/m000w9tg