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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This Week in PNAS

This Week in PNAS

This Week in PNAS

This Week in Science

This Week in PNAS

A panel at the New York Times discusses anonymity and privacy of users of 23andMe's services when access to its database is offered for research.

National Institutes of Health Director Francis Collins appears before a House subcommittee to discuss his agency's budget request.

In PNAS this week: Akt3 amplification in glioma progression, Tibetan Plateau frog genome, and more.

The US Supreme Court has declined to review a decision involving the use of "inadvertently shed" DNA in a police investigation and subsequent conviction.