Arlen Specter, a former US senator from Pennsylvania, has died, reports the Nature News blog. He was 82. Specter was a Republican until he switched parties in 2009.

The Nature News blog notes that Specter "was a big proponent of the doubling of the [US National Institutes of Health] budget over a five-year period that ended in 2003" and that he helped secure the NIH a large portion of the 2009 economic stimulus bill.

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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.