Stem cell breakthrough leaves embryos unharmed - health - 10 January 2008 - New Scientist: "For the first time, human embryonic stem cells have been obtained without having to destroy the embryos they came from.
The breakthrough sidesteps the primary ethical objection to human embryonic stem cell (hESC) research – that embryos must perish to yield up hESCs.
The new technique generates stem cells by extracting and culturing a single embryonic cell, leaving the remaining embryo to develop normally."
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