This Week in PNAS

In an advance, online publication of PNAS this week, researchers at the J. Craig Venter Institute and their colleagues report their inference of the history of biological metal utilization via comparative phylogenomic analysis of protein structures.

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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.