In World First, Scientists Genetically Modify Human Embryos

Chinese researchers have officially taken science into some uncomfortable territory. Researchers at Sun Yat-sen University in Guangzhou have edited the genomes of human embryos, Nature reported in an exclusive Wednesday. The study, which was published in the journal Protein & Cell, confirms rumors that some scientists were conducting these ethically dubious experiments. The report has scientists sounding a warning call, as reported in Nature: "I believe this is the first report of C