Hosted by Robin Ince and Dr Helen Czerski this episode of the Science Shambles podcast is an audio recording of our weekly Sunday Science Q and A show that goes out at 3pm BST on our YouTube channel. This week Robin and Helen are joined by Professor Brian Greene and Dr Clara Nellist to talk about particle physics, astrophysics, quantum physics and bubble physics. Watch them on our YouTube channel at youtube.com/cosmicshambles and get bonus content and extended conversations with guests by subscribing at patreon.com/cosmicshambles