Shit Talk: What Happens After It Goes Down the Drain

Poop! It's not something we like to talk about, much less think about, and once we've flushed it's out of sight and out of mind. But that doesn't mean it stops existing. Far from it—if you live in any sizeable municipal area, many people and machines will interact with your shit as it makes its way through your city's sewers and waste management systems. How is it processed? How does the garbage we flush get sorted out? Where does the end product go? It's all fascinating, and troubling, and worth knowing. You'll never look at a toilet the same way again.