dr. ecklund for months. >> hello, is dan ecklund there, please? >> we asked the sussers to contact dr. ecklund. ecklund sent them a letter which offered the blind and paralyzed adam the possibility of an improved level of consciousness, improved ability to see, to speak, to stand, and walk. what can stem cells really do today? we asked a scientist who's doing some of the world's most advanced studies in stem cells, dr. joanne kurtzberg. >> i personally think we're 10 years away from seeing real cell therapies that are working and are safe, but i do believe it will come. >> dr. kurtzberg is a physician and the chief scientific officer of a stem cell research program at duke university. she advises the federal government and is the codirector of this multimillion dollar laboratory which works with stem cells harvested from umbilical cord blood. dr. kurtzberg told us there's no evidence yet that stem cells can treat cerebral palsy. >> some of the diseases that we see stem cell cures offered for on the internet include multiple sclerosis. >> there are no stem cell cures yet for multiple scl

dr. ecklund, i'm scott pelley with 60 minutes. >> oh, great. >> dr. ecklund was surprised to see us.d hidden our cameras, something we rarely do at 60 minutes, so we could uncover his plan to inject stem cells from a questionable source into this 11-year-old boy with cerebral palsy. how does it work exactly? >> well, stem cells contain... uh... excuse me, here. [ticking]