This Week in PNAS

Unintentional physical interactions between proteins crowded together in the same cell can influence proteome evolution and function, according to a study in the early, online edition of the Proceedings of the National Academy of Sciences. An international team led by investigators in the UK looked at relationships between the three-dimensional structure of proteins and their abundance.

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Five researchers are to share this year's Albany Medical Center Prize for their work on the CRISPR/Cas9 gene-editing tool, the AP reports.

Stat News reports on how white supremacists cope with surprising genetic ancestry testing results.

In Genome Research this week: sex-biased gene expression evolution in malaria mosquitos, method to find ancient selective sweeps, and more.

Iceland has nearly eliminated Down syndrome from its population, CBS News reports.