Sam Popa, Associate Director, discusses his work at United Therapeutics on lungs outside the body that increases the success rate of donated organs. https://www.unither.com/index.html Follow the Festival on Twitter @mdstemfest, Instagram @mdstem, Facebook @marylandstemfestival and on our website www.marylandstemfestival.org. You can e-mail your thoughts and comments to us at mdstemfest@gmail.com