This Week in PNAS

Researchers at the Harvard School of Public Health and their collaborators show in this week's PNAS Early Edition that "cigarette smoking increases copy number alterations in non-small cell lung cancer." The team reports results of a genome-wide study of DNA copy number and smoking pack-years on 264 NSCLC tumors, divided into discovery and validation sets. "We found that heavy cigarette smokers ([fewer than] 60 pack-years) have significantly more copy number gains than non- or light smokers ([more than or equal to] 60 pack-years) ...

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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.