Following up on her post on how PIs, particularly new PIs, are affected when lab members go on leave, DrdrA wonders if NIH could support labs when a graduate student or postdoc is on maternity leave. "The only way, I think, to address this problem is with actual money," she blogs.

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Senator Elizabeth Warren (D-Mass.) has released the results of a genetic ancestry analysis, the Boston Globe reports.

Retraction Watch's Ivan Oransky and Adam Marcus report that Harvard Medical School and Brigham and Women's Hospital have recommended that more than 30 papers from a former researcher be retracted.

Thomas Steitz, who won the 2009 chemistry Nobel Prize for his ribosome work, has died, the Washington Post reports.

In PLOS this week: mechanisms for genes implicated in coronary artery disease, rumen microbes and host genetics influence cow methane production, and more.