Episode 6: Let the Right One In

Episode six explores several questions raised by the Swedish vampire horror Let the Right One In. What medical conditions could have lead to the creation of the burning in sunlight myth? Have children ever been part of a serial killing team? How have animals adapted to survive on blood? What do the history books leave out about the creation of Morse Code? What are the side effects of hydrochloric acid spills? Finally, how long can humans hold their breath underwater?