This Week in Nature

In Nature Chemical Biology this week, a team from the Genome Institute of Singapore reports on the development of a new CRISPR/Cas9 system that can be switched on or off in human cells chemically, enabling rapid and reversible gene editing. The system uses a variant of Cas9 — the enzyme that causes targeted double-strand breaks in CRISPR genome editing — that is activated in with 4-hydroxytamoxifen.

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Robert Redfield is floated as the next director of the US Centers for Disease Control and Prevention, the Washington Post reports.

The New York Times writes that the National Institutes of Health's All of Us Research Program is "ambitious" and that some are concerned it might be overly so.

Representative Lamar Smith's criticism of the National Science Foundation has "changed the nature of the conversation," according to ScienceInsider.

In PLOS this week: non-coding RNA function in yeast, transcriptomic profiles of malaria parasites, and more.