I work in a field of Chemical Engineering known as Biomaterials and Tissue Engineering. Biomaterials include any kind of material that interacts with a biological system, like the human body. They are typically used to change, enhance, or replace a natural function. Tissue engineering is the idea that you could make a new tissue or organ from scratch. It is a relatively newer area, probably going back to some of the research we did in the 70s and 80s. You could make a new liver, skin, cartilage, or even bone. Biomaterials could be one of the ways that you make a new tissue or organ. The Use...