It's one of the fastest growing and changing fields in the world of engineering. Bioengineering, or biomedical engineering, is changing the way we do everything from producing fuel and paper to unlocking new ways to improve animal and human health. It's a growing field — particularly for young women aspiring to be engineers. Karissa Tilbury, an assistant professor of biomedical engineering at UMaine, helps us explore this relative newcomer to the world of engineering.