Dive into the fascinating world of immunology with F. Nina Papavasiliou's Talking Science lecture for high school students, "Battle of the Mutants." Explore the intricate workings of the immune system, from macrophages and innate immunity to adaptive immunity and memory. Discover the role of antibodies, their genetic basis, and the groundbreaking research that led to a Nobel Prize. Uncover the mysteries of antibody production, DNA mutation, and the AID mutation. Engage with open questions in the field as you follow this comprehensive journey through the complexities of the human immune system and its battle against pathogens.