Dozens of local police departments in the US have created their own DNA databases, the Associated Press reports.

While police say this approach helps them solve cases more quickly by avoiding the backlogs that affect state and federal databases, critics say it also enables them to circumvent state and federal rules regarding what samples can be collected and held, the AP adds.

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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.