This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, a team from the US and China explore the genome-wide mutation consequences of exposing Escherichia coli bacteria to low doses of an antibiotic called norfloxacin over long periods of time. With the help of whole-genome sequencing, the researchers tracked mutation accumulations in hundreds of replicate E.

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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.