The US Supreme Court recently heard arguments in Maryland v. King concerning whether obtaining DNA samples from people as they are arrested violates Fourth Amendment protections against unreasonable searches and seizures. In The Nation, Jason Silverstein writes that a factor beyond privacy comes into play with the collection of DNA samples upon a person's arrest.

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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.