This Week in Nature

In an advance, online publication of Nature this week, researchers at the University of Wisconsin-Madison report that "small regulatory RNAs inhibit RNA polymerase II during the elongation phase of transcription." They show that "gene nuclear RNAi defective-2 (nrde-2) encodes an evolutionarily conserved protein that is required for siRNA-mediated silencing in nuclei." The team suggests that their results "demonstrate that metazoan siRNAs can silence nuclear-localized RNAs co-trans

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Researchers describe a way to share data while keeping it secure, Agence France Presse reports.

India's Council of Scientific and Industrial Research has a new director-general, according to ScienceInsider.

A new study links more than a hundred genes to autism spectrum disorder, Discover's D-brief blog reports.

In Science this week: genetic mutations typically associated with esophageal cancer are common in older, healthy individuals, and more.