The Implications of Cloned Embryonic Stem Cells

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Human embryonic stem cells can now be created in the laboratory — and they, in turn, can be transformed into any kind of cell in the body. That means truly exciting prospects for treating disease, as well as both legal and ethical issues creating embryos that will then be destroyed or the possibility of cloning a human being. Hank Greely is director of Stanford Universty's Center for Law and the Biosciences.




Warren Olney