Icy roads are no good. But why is salt the answer? Plus, polar vortices, why snow is white and other snow stories.

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Why Is Salt Used to Melt Ice on the Roads in Winter? — Plus Other Snowy Stories
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    Why Is Snow White?

    Why Is Snow White?

    One of the reasons we all love snow is that it coats everything in a "pure" white blanket. We even talk about snow in these terms: Weather …

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