People tend to think astronauts have the courage of a superhero - or maybe the emotional range of a robot. But in order to stay calm in a high-stress, high-stakes situation, all you really need is knowledge. Sure, you might still feel a little nervous or stressed or hyper-alert. But what you won't feel is terrified.

An Astronaut's Guide to Life on Earth (ed. Little, Brown, 2013) - ISBN: 9780316253048