Helen Czerski is a physicist, writer and broadcaster, and enjoys being endlessly enthusiastic about the physics of the natural world. Her academic home is University College London, where her research focuses on breaking waves and bubbles in the open ocean, and how these bubbles influence the movement of carbon dioxide and oxygen between air and sea. She has spent months working on research ships in the Antarctic, the Pacific, the North Atlantic and the Arctic, in addition to carrying out lab-based research. Since 2011 Helen has been a regular science presenter on the BBC, covering everything from the atmosphere to the latest clean tech. She is currently the co-host of BBC Radio 4’s climate and environment show Rare Earth. Her writing reaches an international audience, and her most recent book, Blue Machine: How the Ocean Shapes our World, won the 2024 Wainwright Prize for Conservation Writing and was listed as one of the top non-fiction books of the year by the Financial Times. She is also a podcaster, stage performer and debate host. Helen is a Trustee of Royal Museums Greenwich, an Honorary Fellow of Churchill College, Cambridge, and was one of the 2020 Royal Institution Christmas Lecturers. Helen is committed to sharing the beauty and intricacy of the physical world with the widest possible audience..