Answers to Questions about Snow

I saw frost on my car's windshield today, but a white Christmas is pretty implausible where I live. Even so, it's hard not to think about snow with the stores playing songs like 'White Christmas' and 'Let it Snow'. Thinking about snow leads to questions about snow. For example, do you know why snow is white? Did you know snow comes in multiple shapes, and not just the six-sided lacy form? Is it really true that no two snowflakes are identical? If you're pondering questions about snow, here are some answers. Tell me more...