This Week in PNAS

In the early, online version of the Proceedings of the National Academy of Sciences, researchers from the University of Vermont report on findings from an analysis of influenza A virus infection susceptibility in relation to Y chromosome variation in a mouse model.

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The apple has traveled westward and eastward along the Silk Road, according to a new genetic analysis.

In Nature this week: GWAS data used to reposition drugs for psychiatric use, and more.

Genetic disease risk information doesn't always spur people to make healthy lifestyle changes, according to the Associated Press.

A University of California, San Diego-led team has used liquid biopsies to uncover possible treatments for patients with cancers of unknown primary.