The Good and the Bad

A new study published in Genome Research by a team at the Chinese Academy of Sciences in Shanghai shows that disease-causing variants may be more common in African Americans because they conferred some benefit on their ancestors when they were first brought to the New World, reports The New York Times' Nicholas Wade.

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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.