NEW YORK, July 23  - In a field where IP position is often more important than underlying technology, Ambion has made another inroad, licensing an invention where PCR is used to create siRNA expression cassettes.

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

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.