Stem Cells and Tissue Engineering

Every year, it seems we are growing closer and closer to the future envisioned in science fiction movies. Technology is allowing us to grow organs outside of our bodies and reattach or re-grow severed fingers. Yet, some of us wonder, how is this all possible? What would stem cells have to do with it anyway?

Dr. Then Kong Yong, a stem cell expert, tells us about the future of health and our bodies and its relation to stem cell research.