By sequencing the mitochondrial DNA from ancient North American dogs, researchers from the University of Illinois Urbana-Champaign and elsewhere got a glimpse not only into the history of dogs in the Americas, but also into that of the people who lived with them.

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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.