As part of Nature's 150th anniversary celebrations, Nick Howe dives into the topic of epigenetics.Since its origin in 1942, the term 'epigenetics' has been repeatedly defined and redefined. There's always been hype around the field, but what actually is epigenetics and how much does it influence our genes?In this Podcast Extra, Nick Howe speaks to Edith Heard, Director General of the EMBL, and Giacomo Cavalli, from the Institute of Human Genetics, to guide us through these questions and find out about the history and future of epigenetics. For information regarding your data privacy, visit acast.com/privacy