This Week in Nature

In the early online edition of Nature this week, a study led by Columbia University's Michael Shen found that stem cells can cause prostate cancer. The work discovered a new type of stem cell, castration-resistant Nkx3-1-expressing cells, that line the inner cavity of the prostate gland and cause tumors to grow when the scientists deleted the Pten tumor suppressor gene.

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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.