Mary Roach is a columnist and popular science writer. Raised in Etna, New Hampshire, she holds a bachelor's degree in psychology from Wesleyan University and currently resides in San Francisco, California. To date, she has published five books: Stiff: The Curious Lives of Human Cadavers (2003), Spook: Science Tackles the Afterlife (2005) (published in some markets as Six Feet Over: Adventures in the Afterlife), Bonk: The Curious Coupling of Science and Sex (2008) and "Packing for Mars" (2010)