Nice Ice

Look: Researchers uncover a link between icicle shape and global warming

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Snowflakes — wondrous wintry marvels — can take on a variety of unique shapes.

But icicles can also form a range of stunning patterns as well.

Melting ice can create long and impressive — sometimes terrifying — structures.

The size and shape of icicles vary depending on their surroundings. In the Arctic, entire icebergs can be altered by shifts in water temperature and currents.

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