Science and technology

Associated Press
This undated image made available by the Oregon Health & Science University in May 2013 shows developing cloned human embryos. Scientists have finally recovered stem cells from cloned human embryos, a longstanding goal that could lead to new treatments for such illnesses as Parkinson's disease and diabetes. In the Wednesday, May 15, 2013 edition of the journal Cell, scientists at the Oregon Health & Science University report harvesting stem cells from six embryos. Shoukhrat Mitalipov, who led the research, said the success came not from a single technical innovation, but from revising a series of steps in the process. (AP Photo/Oregon Health & Science University)

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