This Week in PNAS

Soil and manure from pig farms where antibiotics are commonly used are prone to harboring antibiotic resistance genes, according to a study in the early, online edition of the Proceedings of the National Academy of Sciences. Researchers from China and the US assessed manure, manure compost, and manure compost-treated soil samples from three large Chinese swine farms, using quantitative PCR arrays to test for 244 antibiotic resistance genes.

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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.