This Week in PLOS

A pair of researchers from the University of Chicago has found that genetic drift plays a key role in the genetic diversity of a population of pathogens. As they report in PLOS Biology this week, the duo developed a mathematical model of the behavior of baculoviruses that infect gypsy moths.

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

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

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.