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A second Trump administration could alter the lives of all sorts of animals, whether they live in laboratories, zoos, fields or forests.
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President-elect Donald J. Trump joined Elon Musk, as his company’s prototype moon and Mars rocket carried out a sixth test flight that showed a mix of progress and setbacks.
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Journals had retracted papers on superconductors that worked at room temperature and materials science that involved Ranga Dias.
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As the glaciers of South America retreat, the supply of freshwater is dwindling and its quality is getting worse.
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The Homotherium cub was preserved in Siberian permafrost with its dark fur and flesh intact.