Human eggs which could grow into embryos have been created in a laboratory for the first time, scientists announced yesterday. They were created by scraping stem cells off the surface of ovaries and exposing them to a chemical which stimulated growth. The breakthrough suggests limitless supplies of eggs could be grown, solving the problem of the acute shortage of donor eggs for infertile women wanting IVF treatment. But the idea has horrified pro-life groups after scientists admitted they could use the technique to 'farm' embryos for their research. The procedure was tested by a University of Tennessee team, which took...