At The New York Times Prescriptions blog, Duff Wilson says that outside business deals are keeping the pipelines of the major drug companies healthy, instead of internal research projects. According to a recent analysis from Fitch Ratings, the major drug makers are on pace to meet last year's level of 21 new drugs approved in the United States and Europe, but only thanks to acquisition and licensing deals.

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US News & World Report writes that genetic testing of lung tumors can help identify treatments for patients.

A team of researchers plans to sample Loch Ness for environmental DNA, according to Newsweek.

The New York Times writes about the appearance of mosaicism in healthy people.

In PNAS this week: insecticide resistance patterns Anopheles gambiae mosquito, transcriptome patterns in Pseudomonas aeruginosa during infection, and more.