Packing for MarsWhat happens to you when you cant walk for a year? When you cant have sex? Or smell flowers? What happens if you vomit in your helmet during a space walk? Is it possible to survive a bailout at 17,000 miles an hour? Packing for Mars by Mary Roach delves into these fascinating and often humorous questions about the peculiarities of life in space. The book explores the bizarre and compelling challenges faced by astronauts and how living in zero gravity