Ups and Downs

DNA sequencing has the potential to help guide cancer therapies and stave off diseases like diabetes, writes Emma Keller at the Guardian. At the same time, she says, the data it produces could be abused. "As we clamor about the loss of our privacy in the age of the internet and NSA eavesdropping, it's worth considering another aspect of public record keeping," she says.

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Vivek Murthy is no longer the surgeon general of the US, the Associated Press reports.

People around the globe took to the streets to support science — some with signs.

Parents who learn of their increased genetic risk of disease also contend with telling their children about theirs, the New York Times writes.

In PLOS this week: loci linked to body mass index measurements, long non-coding RNA expression and urothelial carcinoma prognosis, and more.