Following is a scientist's responses to the question, "If an RNAi experiment results in insufficient gene knockdown, do you try the experiment again? If so, what approach do you use to improve the knockdown?"
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In PNAS this week: carbapenem resistance in Enterobacteriaceae, selection against educational attainment-linked variants, and more.
Technology Review points out that a new US presidential science advisor hasn't been selected.
Researchers find that blood tests might be able to help determine severity of a concussion, Wired reports.
President-elect Donald Trump considers other candidates for director of the National Institutes of Health, Nature News reports.