This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, a team from Japan describes endosymbiotic Nardonella bacteria that contribute to the formation of the thick, crusty cuticles surrounding hard beetles. The researchers began by sequencing larval bacteriomes from four weevil species, using the reads to put together genome assemblies for Nardonella symbionts in these weevils.

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Researchers describe a way to share data while keeping it secure, Agence France Presse reports.

In Science this week: genetic mutations typically associated with esophageal cancer are common in older, healthy individuals, and more.

India's Council of Scientific and Industrial Research has a new director-general, according to ScienceInsider.

A new study links more than a hundred genes to autism spectrum disorder, Discover's D-brief blog reports.