Trial Changes

Francis Collins, the director of the US National Institutes of Health, and two colleagues outline changes the agency is making to improve the quality of clinical trials in an editorial appearing in the Journal of the American Medical Association this week.

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

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

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.