Only a few minutes to spare? Try one of these fact-filled short films.
What is a stem cell? What is the difference between an embryonic and and iPS stem cell? For a rapid-fire, all-round introduction to stem cells, you can't beat this mini series by Ben Paylor and the Canadian Stem Cell Foundation:
The three films below are a good starting point if you are interested to find out how research at the Cambridge Stem Cell Institute has an impact on medicine. They were made for non-specialists by patients and CSCI researchers: