A Concern

Science has asked the authors of the 2009 paper it published that associated chronic fatigue syndrome with the XMRV retrovirus to retract it, reports The Wall Street Journal. That article's findings prompted the American Red Cross to prohibit people with chronic fatigue syndrome from donating blood, Bloomberg adds.

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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.