Dogshit Eco-Cement

A German architect has filed an application for a new type of cement made of dog poo. Friedrich Lentze, 57, from Berlin, applied for a patent for his odourless heating and building material made from the dog poo cleaned from the streets of the German capital every day. Dung has for centuries been used as building material and he had combined it with modern materials to come up with a new type of insulating cement — via Warren Ellis