This Week in Science

In Science this week, Chinese University of Hong Kong researchers published the discovery of a set of three genes that is responsible for hybrid sterility — the sterility that occurs in the offspring of two different species, such as in the case of a mule — in rice. They focused on the sterility that occurs between indica and japonica subspecies of cultivated rice,and pinpointed three closely associated genes that control fertility in the hybrids.

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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.