This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, researchers from the University of Alaska Fairbanks, Pennsylvania State University, and elsewhere look into when and how the woolly mammoth became extinct on St. Paul Island, Alaska, home to one of the mammoth populations that remained thousands of years after extinction on Alaska's mainland.

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A new analysis examines the gender gap among paper authors in the sciences and says it may take decades or more to close.

Researchers have uncovered signals of selection that may enable the Bajau people to free five hundreds of feet deep, Reuters reports.

In Science this week: paternally inherited cis-regulatory structural variants in autism, and more.

A new report outlines issues facing the implementation of personalized medicine in the UK, the Independent reports.