Planetary Video • EventsLive Q&A with "Packing for Mars" author Mary RoachThis content is hosted by a third party (youtube.com), which uses marketing cookies. Please accept marketing cookies to watch this video.Join Mat Kaplan and “America's funniest science writer” Mary Roach for a chat about Mary's New York Times bestseller "Packing for Mars."Want to take part in our virtual book club? Log into our online member community. If you aren't already a member, join today.