There are so many types of sand found in the world that a Sandatlas has been created! Visit the Sandatlas and take a look! Silica sand, black sand, coral sand, and glass sand are just a few types! It's "sandemonium!"

Like to look at pictures of these tiny grains, so beautiful in color? Check out this site.

What are some uses of sand? Is glass really made from sand? This video answers that question.

Why does much of the sand on Earth look similar? Minute Earth answers more of the questions you might have with, "Why is all sand the same?"  

Love the feeling of that beautiful white sand between your toes? Maybe not anymore. Watch Gross Science, "White Sand Beaches Are Made of Fish Poop."

Want to forget about all this sand science? Let's face it, sand is just fun. Learn to build the best sand castle you can by watching, "How to build the perfect sandcastle." Now take a look at this awesome slideshow of 88 Incredible Sand Sculptures. Next time you venture to the beach, enjoy the sand between your toes, build a beautiful sand castle, and be sure to look at the little things that sand is made up of!

Want a little more about that micro-world that we really never take a moment to look at closely? Watch this TED Talk: The beautiful nano details of our world.