Everyone poops, yes, that's true—from anteaters to humpbacked zebu. There are even several special names for poop (such as guano, dung, or dung). But what about all this poop? Where does it go and what is it for? It turns out that poop is very important if you want plants to grow big and healthy. It is also used to mark territory, build houses, produce heat, and cook food. Join Professor Carlos Cacali on a journey around the globe as he explores all the places where poop appears and where it goes. In the end, you may think that poop is gross. Or maybe you'll find that poop is a bit wild, a bit surprising, a bit...poopy!