Of all the questions astronauts are asked by kids, the most frequent one is "How do you go to the toilet in space?" This book not only answers that question, but many others about the effect of zero gravity on the human body: How do you brush your hair in space? What happens when you sweat? What does food taste like? The best thing is that the answers are provided by Dr. Dave Williams, a NASA astronaut who speaks from first-hand experience.

"This book examines what planets in our solar system offer the potential for space exploration and possible habitation, and what space travel looks like presently and in the future."--

It may seem unbearable to consider living in a world without television, video games, computers, or smartphones, but all these devices require power. What would happen if electricity could no longer be produced? It's time to start planning for this possibility. This ingenious guide walks readers off the grid and instructs about how to maintain a power-free lifestyle. Besides learning how to solve problems for a long-term, worldwide emergency event,...