Catalyst returns to take you to the heart of the biggest science stories from Australia and around the world, revealing the latest understanding of how science affects our lives – from deep inside the human body to the furthest reaches of outer space. Each hour-long program delves into the very latest science, meets researchers at the cutting edge, and shows how scientific thinking is changing the lives of everyday people.
Chef Paul West, dietician Professor Clare Collins and chemist Dr Noby Leong explore the science behind the cryogenic freezing of fish, why we are hard-wired to desire junk foods, and the chemistry of hot and spicy foods.