This Week in PNAS

In work appearing this week in PNAS, Stanford University's Jerrod Schwartz and Stephen Quake show that they can use single molecule measurements to find the "speed limit" of DNA polymerase. By observing both the burst synthesis rate and pausing events, they found that for E.

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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.