This Week in Nature

By searching through eukaryotic genome sequences for proteins with conservation or divergence patterns similar to those of known small RNA proteins, Harvard University's Gary Ruvkun and his colleagues were able to uncover new small RNA pathway proteins involved in silencing, as they report in an article published online in Nature this week.

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At his FDA Law Blog, Jeffrey Gibbs discusses FDA's technical assistance for the draft Diagnostic Accuracy and Innovation Act.

The New York Times reports that genetic testing has uncovered unfaithful penguins at a Utah aquarium.

Cancer researcher loses funding under new Wellcome Trust anti-bullying policies, the Guardian reports.

In Science this week: International Wheat Genome Sequencing Consortium publishes the bread wheat cultivar Chinese Spring reference genome, and more.