“America’s funniest science writer” ( Washington Post ) explores the irresistibly strange universe of life without gravity in this New York Times bestseller. The best-selling author of Stiff and Bonk explores the irresistibly strange universe of space travel and life without gravity. From the Space Shuttle training toilet to a crash test of NASA’s new space capsule, Mary Roach takes us on the surreally entertaining trip into the science of life in space and space on Earth.