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Science  14 Apr 2017:
Vol. 356, Issue 6334, pp. 116-117
DOI: 10.1126/science.356.6334.116

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In science news around the world, a repository of ice cores collected from the Canadian Arctic suffers a catastrophic meltdown, a new initiative backed by—among others—the Wikimedia Foundation and the Public Library of Science aims to make citation data in research papers free to both access and reuse, genetic testing company 23andMe gets the green light from the U.S. Food and Drug Administration to include disease risk predictions, and parts of Australia's Great Barrier Reef suffered mass coral bleaching in 2017—for the second year in a row. Also, Africa's savanna elephant holds the title as the longest seed disperser on land. And scientists report that more than half of Ph.D. students feel "psychological distress," with indicators including lack of sleep because of worry, feeling depressed, and feeling unable to enjoy everyday activities.