To be sure they were complying with US Food and Drug Administration policies — which ClickZ notes are not clear on digital media — pharmaceutical companies with Facebook pages would ask Facebook to disable commenting on those pages.

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Sequencing could help combat foodborne illnesses, according to a blog post by Food and Drug Administration officials.

Popular Mechanics reports that Caltech researchers have built a prototype nanobot using DNA.

The Sacramento Bee writes that direct-to-consumer genetic testing connected a woman to sperm donor-conceived half siblings.

In PLOS this week: gene expression catalog for sheep, viral diversity among respiratory samples from camels, and more.