Inside the race to heal hearts with imaging, stem cells, and bioprinting.
Explore how scientists are confronting the world’s leading cause of death through powerful new imaging, regenerative medicine, and the possibility of printing a functioning heart. From microscopic repair signals to lab-grown cardiac tissue, this episode reveals how today’s research could reshape tomorrow’s treatment and rewards anyone curious about where medicine is heading.
- New shows weeklyFresh documentaries land every week.
- Exclusive originalsAward-winning films you can’t stream anywhere else.
- Watch anywherePhone, tablet, web and TV — pick up where you left off.
- No commitmentNo contract. Cancel in a click.
Frequently asked questions
Yes. Every plan unlocks the full library — including all Curiosity Originals like Fixing A Broken Heart — in up to 4K, ad-free, on all your devices.
Fixing A Broken Heart is a Curiosity Original, exclusive to Curiosity Stream.
Watch on the web, iOS and Android, Roku, Apple TV, Amazon Fire TV, Chromecast, Android TV, and most smart TVs. Start on one device and pick up right where you left off on another.
Curiosity Stream is our streaming service — thousands of documentaries and originals. The Smart Bundle is Curiosity Stream plus four other independent streaming services (Tastemade, Kidstream, Curiosity University, and SOMM TV) on a single subscription.



