Discover how poop can actually help protect our planet in this nonfiction book on the nutrient cycle and scientific problem solving. What could be more revolting, useless, and downright disgusting than poop? But in nature's endless and complex cycles, there's no such thing as waste. The poop of wild animals is full of surprising power: it can be food, shelter, a way for creatures to communicate, and more. For scientists, scat can reveal...