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Snowflakes

Changing climate can change building standards

Roofs in Norway have to be built to hold up under heavy loads of snow. But a warmer climate and less snow might mean a change in building standards for roofs that have to be built to last a century.

Ice makes snow white, blue, and creaky

It falls every year, but did you know that snow is ice? Ice expert Christer Jonasson from Sweden, explains the properties of the white flakes.