This Week in PNAS

A research team from New Zealand, South Africa, and the US has sequenced the mitochondrial genomes of four Polynesian individuals believed to be among the first people to settle in New Zealand an estimated 750 years ago. As they report in the early, online edition of the Proceedings of the National Academy of Sciences, the researchers used DNA from ancient remains found at a site called Wairau Bar on the northeastern coast of New Zealand's south island.

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The Jackson Laboratory has filed a complaint accusing Nanjing University of breeding and re-selling its mouse models, the Hartford Courant reports.

Oxford researchers are turning to virtual reality to visualize genes and regulatory elements, Phys.org says.

In Science this week: neutrophils rely on microRNA to protect against lung inflammation, and more.

China is moving forward with plans to sequence a million citizens, the Wall Street Journal reports.