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The body's microbiota helps people and animals break down food, synthesize vitamins, and fight off nastier microbes, and Ed Yong at Not Exactly Rocket Science writes that killing off the microbiota through antibiotic use may be a factor in the rise of obesity. A new study in Nature from Martin Blaser's group at New York University School of Medicine find that giving

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A research duo estimates in PLOS One the number of papers that have used misidentified cell lines.

UK's National Institute for Health and Care Excellence approves GlaxoSmithKline's SCID gene therapy despite cost.

Science reports that Brazilian researchers are petitioning for the reversal of budget cuts.

In PLOS this week: gene flow patterns in common ash, guidelines for using morpholinos in zebrafish, and more.