On his Gene Expression blog, Matt McIntosh discusses the intertwined roles of retrotransposons, non-coding DNA, and adaptive evolution. Eukaryotic genomes have transposons that duplicate and move around and sometimes take bits of genes with them, for good, bad, or neutral affect on the organism. McIntosh then theorizes that adaptive evolution accompanied by duplication events should correlate with more leftovers from transposition events.

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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.