This Week in PNAS

In PNAS this week, a team led by investigators in Germany and Chile tackles microbial habitat patterns in Chile's Atacama Desert, a "hyper-arid" desert considered one of the driest sites on the globe. Based on soil testing, metabolic profiling, microbial genome replication rates and community patterns, and other approaches, the researchers saw signs that indigenous microbial communities crop up intermittently in the Atacama Desert, despite its inhospitable environment.

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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.

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

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