This Week in PNAS

Genes in the opsin gene family share a common, early animal ancestor, according to a study in the early, online edition of the Proceedings of the National Academy of Sciences by researchers from the National University of Ireland and the University of Bristol.

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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.