Mark SkylarScott is one of the world’s foremost experts on the 3D printing of human tissue, cell by cell. It’s a field better known as bioprinting. But SkylarScott hopes to take things to a level most never imagined. He and his collaborators are working to bioprint an entire living, working human heart. We’re printing biology, SkylarScott tells host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.