The unsettled questions on stem cellsSt. Paul, Minn. July 9, 2008 11:00 p.m.Share storyTwitterFacebookListenRare adult stem cells from umbilical cord blood shown early in culture.Image courtesy of BioE and the University of MinnesotaGalleryFullscreen SlidePrevious Slide1 of 1Rare adult stem cells from umbilical cord blood shown early in culture.Image courtesy of BioE and the University of MinnesotaNext SlideDespite new discoveries, stem cells remain controversialStem cell research flaws don't change findingsAdult stem cells show promise
