This Week in PNAS

In the early, online version of the Proceedings of the National Academy of Sciences, researchers from Stanford University and the University of Texas at Austin explore the consequences of activating KRAS mutations in lung adenocarcinoma. Using a combination of array-based gene expression profiling, mass spec-based lipid assessments, and proteomic analyses, the team compared mouse and human lung cancer samples with or without KRAS mutations.

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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.