Scientists can now 3D print soft robotic replicas of a patient’s heart which can pump like a real one. The MIT research team, led by Professor Ellen Roche, hopes this method can help doctors customize treatments for patients before conducting open heart surgery or other intrusive procedures. Discovery’s Curiosity Daily podcast helps you get smarter about the world around you. Find Curiosity Daily today on Apple Podcasts, Spotify, or wherever you get podcasts. Listen now.