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The Unbelievable World of Snowflakes

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The hexagonal symmetry of snow

Nakaya, however, was not the first scientist to take a close look at snowflakes. The process began as early as 150 BC when Chinese scholar Han Ying wrote about the "contrasts [between] the pentagonal symmetry of flowers with the hexagonal symmetry of snow."

Image credit: SnowCrystals.com

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