Snow is made up of trillions of tiny ice crystals to make snowflakes, with not one alike. Here's how they form.

I like these selections of snowflake illustrations from the book Snowflakes: A Chapter from the Book of Nature by Israel Perkins Warren. These pages have the same appeal to me that a tattoo flash ...

There's a creative Christmas decoration you can make with these household items--join together a team of them, and plastic clothes hangers are transformed into an intricate, oversized snowflake.