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Now the Fastest

The Tianhe-2 at China's National University of Defense Technology currently leads the Top500 list of the world's fastest supercomputers, the Associated Press reports. On the Linpack benchmark, the Tianhe-2 had a performance of 33.86 petaflops per second. It is comprised of 16,000 nodes, each of which includes two Intel Xeon IvyBridge processors and three Xeon Phi processors, a press release from Top500 adds.

Just behind the Tianhe-2 on the list, which comes out twice a year, is Titan at US Department of Energy's Oak Ridge National Laboratory and Sequoia at the DOE's Lawrence Livermore National Laboratory. Previously, Titan was ranked first, followed by Sequoia.

The Scan

Hormone-Based Gene Therapy to Sterilize Domestic Cat

A new paper in Nature Communication suggests that gene therapy could be a safer alternative to spaying domestic cats.

Active Lifestyle Linked to Type 2 Diabetes Prevention in People at High Genetic Risk

A study in the British Journal of Sports Medicine shows that an active lifestyle goes a long way in type 2 diabetes prevention.

Beneficial, Harmful Effects of Introgression Between Wild and Domesticated European Grapes

A paper in PNAS shows that European wild grapevines were an important resource for improving the flavor of cultivated wine grapes.

Genetic Ancestry of South America's Indigenous Mapuche Traced

Researchers in Current Biology analyzed genome-wide data from more than five dozen Mapuche individuals to better understand their genetic history.