I discovered how to earn up to $180,000 per year by pooping – New York Post

Why it’s time to talk about poo – BBC

Everybody poops, but not everybody’s poop gets spontaneously combusted under water – Fast Company

Turning manure into gold: The excrement economy – USA Today

Solid Gold: Poop Could Yield Precious Metals – Live Science

Americans poop up to $4.2B in precious metals every year – New York Post

Sewage sludge could contain millions of dollars worth of gold – Science