Bricks made of bacteria could build a more sustainable world

You're looking at a "biomanufactured brick," the creation of American architecture professor Ginger Krieg Dosier. The brick, which is made by mixing sand with a non-toxic bacteria, requires no heat for the hardening process, and could bring this staple of basic architecture to areas of the world lacking modern… » 6/13/11 3:45pm 6/13/11 3:45pm