In the Air

A report that DNA from antibiotic-resistant bacteria was found in Beijing smog has led residents there to worry, the New York Times reports. Follow-up accounts saying that the smog didn't contain live bacteria didn't do much to assuage fears, it adds.

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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.