And Aren't Vulcan

Green-blooded lizards living on New Guinea were thought to all have descended from one ancestor, but according to Reuters, a new genetic analysis suggests the trait arose independently four times.

The lizards, called skinks, have green blood due to high levels of the green bile pigment biliverdin, which also turns their muscles, bones, and mucosal tissues a green hue, Reuters adds.

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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.