Scientists from the United States and China have identified stem cells in urine that can be directed to become multiple cell types. This image shows immunofluorescent staining of in vitro cultured urine-derived stem cells (Shaofeng Wu et al., 2011). “These cells can be obtained through a simple, non-invasive low-cost approach that avoids surgical procedures,” explained Dr Yuanyuan Zhang from the Wake Forest Institute of Regenerative Medicine...