A team from Google Scholar has found that non-elite journals are publishing an increasing fraction of top-cited articles.

For some 261 subjects, Google's Anurag Acharya and his colleagues examined the 10 most-cited journals and the 1,000 most-cited articles for each year from 1995 to 2012, as they report in a paper posted to arXiv.

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The Seattle Times writes that pharmacogenomics testing can help choose medications that may work best for people with depression.

Researchers report that deleting one gene from butterflies affects their wing coloration patterns, according to the Washington Post.

In PNAS this week: genome sequencing of weevil symbionts, retinoid X receptor deletion in lung cancer metastasis, and more.

Sequencing could help combat foodborne illnesses, according to a blog post by Food and Drug Administration officials.