This Week in Science

In this week's Science, a team led by University of California, Berkeley, researchers presents new details about how the genome-editing technology CRISPR/Cas9 identifies and positions its target DNA. In the CRISPR process, the enzyme Cas9 is directed to its target by an RNA-DNA hybrid helix in an R-loop formation.

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While gene therapies may have high price tags, they could be cheaper than the cost of managing disease, according to MIT's Technology Review.

Researchers are looking for markers that indicate which cancer patients may respond to immunotherapies, the Associated Press writes.

In Nature this week: paternal age associated with de novo mutations in children, and more.

Nature News writes that researchers are still wrangling over the role of the p-value.