This article originally appeared on Undark. In Osaka, Japan, in the early-1700s, neighboring villages fought over rights to city residents’ excrement. Much of Japan’s soil, sandy and poor in nutrients ...

With candid humor, this book spotlights an important aspect of history, discussing human waste, from prehistoric times to the present. Featuring photographs, reproduced images, and cartoons, Albee’s ...

Our obsession with digestion—how long it takes, how smoothly it happens, how its byproducts look—is big business. You can find a wide selection of attractively packaged prebiotic, probiotic, ...