Dung beetles eat poo. It’s what they do, and they do it many different ways. Rollers tumble it home in little balls; they cradle their eggs in it or save it for a snack. Tunnelers bury it right where they find it, and dwellers, well, dwell in it. Nothing goes to waste in nature, and these little beetles are perfect examples of a species that transforms another’s dross into gold. So, what can they teach us about re-using and recycling materials for a true circular economy? Read on to find out!