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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York University researchers find genomic evidence of inbreeding in the yellow-banded bumblebee, according to Reuters.

In its survey of US adults, the Pew Research Center finds that views on the genetic engineering of animals depend on why it's done.

The Scientist reports agricultural researchers are working on a gene-stacking tool.

In Nature this week: statistical method for overcoming case-control imbalance issues, and more.