This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, an international team led by investigators in New Zealand presents findings from metagenomics-based functional analyses of soil and rock samples from an ice-free area in the Antarctic. The researchers used GeoChip — an array targeting variants in genes from hundreds of functional categories — in their assessment of samples from McKelvey Valley, one of the Antarctic's so-called McMurdo Dry Valleys.

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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.