The scientist who helped ignite cultural and political controversy with the use of embryos in stem-cell research believes his new discovery – using ordinary adult skin cells – means the war is virtually over. "A decade from now, this will be just a funny historical footnote," James A. Thomson told the New York Times in an interview. Thomson's laboratory at the University of Wisconsin was one of two that announced Tuesday a new way to turn ordinary human skin cells into what appear to be embryonic stem cells without using a human embryo. The technique involves adding four genes to...
