How do snowflakes form? Why do they have six sides? Is it true that each snowflakes is unique? Here's some serious snowflake trivia courtesy of physicist Prof Brian Cox.

Made by Studio Panda with paper artwork by Sam Pierpoint, in partnership with the @royalsociety

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0:00 What is a snowflake?
0:30 How snowflakes are made - and why no two snowflakes are the same
1:18 Johannes Kepler asks: Why do snowflakes always have six sides?
2:19 Different snowflake shapes
2:44 Snowflake photography and how to take the perfect shot
3:14 Snowflakes and symmetry
3:37 Snowflakes aren't actually white!
3:50 Snowflakes and the Universe

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