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Stem cells poised to self-destruct for the good of the embryo

Embryonic stem cells are primed to kill themselves if damage to their DNA makes them a threat to the developing embryo. Researchers can reveal how they do it.
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CHAPEL HILL, N.C. – Embryonic stem cells — those revered cells that give rise to every cell type in the body — just got another badge of honor. If they suffer damage that makes them a threat to the developing embryo, they swiftly fa...

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