Miguel Sano, a teenage boy and shortstop from the Dominican Republic, is undergoing genetic screening and bone scans to prove his age —16 years old — to the Pittsburgh Pirates and Major League Baseball investigators, reports the New York Times.

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A University of California, Los Angeles-led team has found turning off the CCR5 gene could improve recovery after a stroke, according to Scientific American.

South Dakota lawmakers are to weigh a bill aimed at teaching the strengths and weaknesses of scientific concepts, the Associated Press and KEVN-Black Hills Fox report.

In Science this week: the synthetic genetic system hachimoji, and more.

Thermo Fisher Scientific says it will no longer sell machines in China's Xinjiang region, according to the Wall Street Journal.