The History of Vampires Guest: Nick Groom, Professor, English, Exeter University, UK, and author, "The Vampire: A New History" Before "Twilight" and "True Blood," even before Bram Stoker’s "Dracula," the vampire played a fascinating role in pop culture and folklore. We ask the "Prof of Goth" why vampires are different from other monsters and demons.  Monster Movies: The Creation of the Horror Genre Guest: Carl Sederholm, Professor, Comparative Arts and Letters, Brigham Young University The twisted roots of the horror genre. The difference between suspense and horror. The genius of Shelley, Poe, and Lovecraft.  Instruments Fashioned from Ice Actually Work . . . and Sound Good Guest:  Tim Linhart, founder, Ice Music Tim Linhart builds everything from musical instruments to cathedrals out of water, snow, and ice. What Are Maestros Really Doing on Stage? Guest: James Gaffigan, Chief Conductor, Luzerner Sinfonieorchester, and Principle Guest Conductor, Netherlands Radio Philharmonic Orchestra You’ve seen conductors on stage waving their hands furiously, but what do those movements actually mean? What is this secret language? Turns out it is a lot more complicated than you might think. Maestro James Gaffigan weighs in on the history and art of musical conducting.