Yeah...I'm pretty sure this RSS thing is frickin' GENIUS! I slightly knew what it was before the likes of L2P, but I shied away from it, thinking it would just stuff my email with unwanted news stories or something. But no! You view all your favorite websites in a reader! It's convenient, consolidated, current, and...not your email inbox!
I discovered an interesting blog, The Art of Teaching Science. I love that Google Reader has a search tool, so that you can discover anything that piques your interest! That's definitely a handy feature. If you could find the right feed, you could probably stay current on a certain topic, too, (e.g. if your class was studying plate tectonics, you could keep them up on all the earthquakes that've been happening around Cleburne)!