Two studies out this week could allow scientists to sidestep some of the ethical concerns over research involving embryonic stem cells. Scientists discuss the work, and a proposal for an off-shore stem cell collaboration.
Kathy Hudson, director, Genetics and Public Policy Center, Johns Hopkins University
Evan Snyder, professor and director, Stem Cells and Regeneration Program, Burnham Institute in La Jolla, Calif.
Irving Weissman, professor, pathology and developmental biology director, Stem Cell Institute, Stanford University School of Medicine