Every grownup knows that there is one universal topic that fascinates children without exception: poop and pee. But what they may not know is that throughout history, the products of our bladder and bowels have helped us to build houses, wash and dye our clothes, fertilize crops,...
Every grownup knows that there is one universal topic that fascinates children without exception: poop and pee. But what they may not know is that throughout history, the products of our bladder and bowels have helped us to build houses, wash and dye our clothes, fertilize crops,...
Throughout history, the products of our bladders and bowels have helped us to build houses, wash and dye clothes, fertilize crops, treat illnesses, solve crimes, control pollution, and create fuel, energy, and explosives. These pages show you how while telling some fascinating...