First Half: Dr. Jonathan Quick, an instructor of medicine at the Dept. of Global Health & Social Medicine at Harvard Medical School, discusses the 100th anniversary of the Spanish Flu epidemic which killed 50-100 million people, as well as manmade pathogens and bioterror.

Second Half: Author Jim Steinmeyer talks about his new work on the history of magic and the people who created the deceptions and illusions, and how they kept the secrets alive generation after generation.