This Week in PNAS

By sequencing and comparing tumor and matched normal genome sequences from two sets of identical twins with acute lymphoblastic leukemia, a team from the UK, Italy, and the US was able to identify tumor-associated somatic mutations and track the timing with which they developed.

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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.