Crystals form on the surface of a soap bubble as it freezes

Crystals form on the surface of a...

CNN - Mother Nature provides an unusual and beautiful sight. A soap bubble freezes in low temperatures.

No, the star you saw is not some sort of filter or special effect, its sugar in the soap mix that creates a crystal-like appearance as the bubble freezes.  

The woman who filmed the particular clip made the soap bubbles herself.

She took a cup of water and mixed in two tablespoons each of dish soap, corn syrup and regular sugar.

She said the syrup helps keep the bubble from bursting.

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