This Week in PNAS

In the early edition of the Proceedings of the National Academy of Sciences, researchers from Washington University present evidence suggesting gut microbial communities in infant guts vary with gestational age. The team did 16S ribosomal RNA sequencing on more than 900 stool samples to profile microbial community members in stool samples from 58 premature infants of different gestational ages tested over time.

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Researchers find that a personalized medicine approach could help people who experience pain while taking statins, New Scientist reports.

US National Science Foundation is continuing its responsible research conduct training policy despite its flaws, ScienceInsider reports.

A CRISPR-themed meeting explored how the tool could and should be used, Wired reports.

In Science this week: database of proteins' effects on cancer, targeted error correction sequencing, and more.