Snowflakes take on many different shapes, sizes and characteristics, but why?
Ask Ethan: Could You Have Two Perfectly Identical Snowflakes?
Snowflakes - No Two Alike?
Everyone says that no two snowflakes are the same, but is it true? - The Washington Post
No Two Snowflakes the Same Likely True, Research Reveals
Science Rendezvous » Make Your Own Snowflake (According to Science)
Is it true that no two snowflakes are exactly the same? - BBC Science Focus Magazine
Why No Two Snowflakes are Identical and 4 Other Fun Facts
The Biggest Snowflake Ever Reported Was As Wide As A Large Pizza
Is it true that no two snow crystals are alike?
No Two Snowflakes Alike - True or False
Snowflake Facts: Lesson for Kids - Lesson