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Science  25 Aug 2017:
Vol. 357, Issue 6353, pp. 736-739
DOI: 10.1126/science.357.6353.736

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In science news around the world, the National Institutes of Health expands the definition of clinical trials, the U.S. Department of Agriculture restores previously public animal welfare records, seismologists fear the loss of a key research vessel, Brazil’s indigenous tribes win land rights, and China’s—and the world’s—largest radio telescope gets a no-fly zone. Also, engineers construct the world’s smallest antennas for wireless communication, scientists discover how horses evolved just one toe, and an interview with the finder of a newly located Viking fort in Denmark. Plus, solar physicists get heated up over this week’s total solar eclipse and science advocates mourn the death of retired U.S. congressman and physicist Vernon Ehlers.