Scientists race to decode data from Europe’s vanishing glaciers
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High up in the Ötztal Alps, near the border of Austria and Italy, sprawls the closest thing you can get — scientifically, at least — to a time machine. For thousands of years, snow has fallen here and turned to ice, building layer upon layer of the Weißseespitze glacier and archiving invaluable information. For instance, as mining and smelting of metals accelerated 1,000 years ago across Europe, pollutants like arsenic took to the air and fell on the ice. There are natural signatures, too, like
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