Researchers from Oxford University found a gene for left-handedness, reports the BBC. Not only do lefties have to deal with scissors made for righties and the legacy of being evil and unlucky, this LRRTM1 gene that partially controls what part of the brain takes on the responsibilities of speech and emotion, also give southpaws an elevated risk of schizophrenia.

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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.