This Week in Science

In Science this week, the University of California, Berkeley's Jennifer Douda and colleagues report the crystal structures of two Cas enzymes involved in CRISPR genome editing, as well as cryo-electron microscopy structure of the full CRISPR locus integration complex, providing new insights into how components of the system interact with one another as a viral defense mechanism for bacteria.

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Magdalena Skipper, the incoming editor-in-chief of Nature, speaks with NPR's Weekend Edition Sunday.

Genetic genealogy has led to an arrest in another cold case, dating back to 1987.

In PLOS this week: mutation in second gene widens clinical symptoms of people with ADD3 mutations, comparative genomic analysis of Pseudovibrio, and more.

Wired reports that 23andMe is trying to bolster its outside collaborations.