This Week in PNAS

In the PNAS Early Edition this week, researchers at the University of North Carolina, Chapel Hill, and the National Cancer Institute describe how, through their investigation of the structure of murine leukemia virus RNA, they identified a "high-affinity Gag recognition structure" that mediates the packaging of the retroviral genome.

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Using DNA to sketch crime victims might not be a great idea, the NYTimes says.

Science has its own problem with sexual harassment. What do we do with the research these abusers produce, Wired asks.

Senate Republicans led by Senator Rand Paul (R-KY) are trying to change how the government funds basic research, reports ScienceInsider.

In Science this week: combining genomics and ecology to better understand the effects of natural selection on evolution, and more.