The Catholic Church has rejected claims a new technique to create stem cells does not harm embryos, pouring cold water on hopes by many scientists of ending ethical uproar over their research. A US company says it has developed a way to create the stem cells without harming the original embryo, which the Vatican holds is a fully-fledged human life. The breakthrough technique was meant to answer critics at the papal palace, the White House and beyond, who have long argued that it was ethically reproachable to attempt to save one life by taking another. The head of the Vatican's...
