Rather than clarifying how speciation occurs, peering into closely related animals' genomes can raise more questions about the process. At Quanta, Emily Singer discusses two crow species — the black carrion crows and the black and gray hooded crows — that can interbreed and yet mostly remain separate species.

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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.