Cold conspirators: Ice crystals implicated in Arctic pollution

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Close-up of frost flowers.
Close-up of frost flowers.

Frost flowers. Diamond dust. Hoarfrost. These poetically named ice crystal forms are part of the stark beauty of the Arctic. But they also play a role in its pollution, a new study by scientists at the University of Michigan, the Cold Regions Research & Engineering Laboratory and the University of Alaska has found.


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