Source: New York Times
Posted: August 23, 2006
Summary:
Biologists have developed a technique for establishing colonies of human embryonic stem cells without destroying embryos, a method that, if confirmed in other laboratories, would seem to remove the principal objection to stem cell research. The new technique would be performed on an embryo when it is two days old, after the fertilized egg has divided into eight cells, known as blastomeres.
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