The comeback of stem cells: why this time, they might work.

For decades, stem cells have been the technology that’s just around the corner. The medicine that would fix just about part of the body. But stem cell injections haven’t delivered on their advertised potential. Now, thanks to ingenuity and machine learning, they'll have a shot. Featuring Dr Jiao Jiao Li, School of Biomedical Engineering, University of Technology Sydney Produced and presented by Lawrence Bull