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CRISPR-Cas9 genome editing exploits the CRISPR-Cas system to modify a genome in a targeted manner. Guided by RNA, the Cas9 endonuclease breaks DNA at a target sequence. Imprecise repair of the double ...
Stephen Engelberg was the founding managing editor of ProPublica from 2008-2012 and became editor in chief on Jan. 1, 2013. He came to ProPublica from The Oregonian in Portland, where he had been a ...
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