This Week in Nature

In Nature this week, a team of Finnish and Norwegian researchers report on a genetic strategy to determine maturity in Atlantic salmon, offering insights that may impact population management in the fish. While it is known that adult male and female Atlantic salmon differ in size and have differing rates of maturity, the genetic underpinnings of these differences was unclear.

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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.