This Week in Science

In this week's Science, an international research team uses genomic data to show that the agricultural use of maize throughout the highlands of the US likely occurred due to propagation of varieties with earlier flowering times. Although maize became a staple crop in the southern lowlands of the US when it was introduced from Mexico about 4,000 years ago, it took about 2,000 more years until it was widely grown at higher elevations.

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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.