This Week in PNAS

In the early, online issue of PNAS this week, Canadian and American researchers report that turkeys were domesticated at least twice in North America. Based on their analyses of ancient mitochondrial DNA from 149 turkey bones and dozens of dung samples from archaeological sites in the US combined with comparisons of modern samples and GenBank data, the team found that a now extinct domesticated turkey sub-species once existed in the American southwest.

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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.