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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In a statement, National Institutes of Health Director Francis Collins says sexual harassment is "morally indefensible" and "unacceptable."

Octopuses might owe their intelligence to their liberal alterations to their genes, Cosmos reports.

Stat News and ProPublica report that African Americans are underrepresented in cancer clinical trials.

In Cell this week: genomic analysis of abdominal aortic aneurysm, effect of probiotics on the microbiome, and more.