Did you know Mark Twain tried his hand at science fiction? Author Sam Kean writes about Twain in his book, The Disappearing Spoon: And Other True Tales of Madness, Love, and the History of the World from the Periodic Table of the Elements
. Here, Kean narrates an animated look at Twain's story, "Sold to Satan." It's about Twain, typewriters, radium, and, naturally, Satan.