This Week in PLOS

In PLOS One, researchers with Chronix Biomedical and other centers in Göttingen, Germany, report on a method used to track down canine cancer markers and later detect them in circulating, cell-free DNA in the dogs' blood. The group identified and verified copy number shifts and structural glitches in five mammary carcinoma tumors from three subtypes using sequencing and digital droplet PCR, respectively.

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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.