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 GMT on our YouTube channel. On this episode Helen and Dr Karl (Robin was unfortunately called away last minute) chat about renewable energy, bees and knees. 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