This Week in PNAS

In Proceedings of the National Academy of Sciences online, researchers from the University of Vienna, Utrecht University, and elsewhere explore microbial communities in Atlantic Ocean samples at different depths in the water column using metaproteomics, metagenomics, and single-cell genomics.

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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.