At a time when nearly everything Americans eat is processed, shipped, stored, and sold under refrigeration, understanding our food system is impossible without an appreciation of the network of thermal control that underpins it. In this talk, author Nicola Twilley will take us on a tour of the cold chain from farm to fridge, a behind-the-scenes look at the reporting and research for her new book, Frostbite: How Refrigeration Changed Our Food, Our Planet, and Ourselves.