Thanks for the new link, Tim! Wind farms are important! I added some basic information. It's easy to incorporate pictures in articles and I think it makes them more fun, so I also did that.

Re mussels: there's a famous Irish song [Molly Malone](http://www.youtube.com/watch?v=5ylT6RjXst8) with the line "Cockles and mussels, alive, alive-ho". So, now that you know about mussels, you can learn about cockles.