Apple Thoughts: Yale University on iTunes

"Interested in College lectures? Yale has always offered lectures and interviews on iTunes U, but you now can enjoy full classes."

Yale is among several universities that offer courses at iTunes, the best part is that they are free. There are a wide variety of classes from financial market classes to one on Milton, so they seem to cover a broad range of interests. This, as well as the other curriculum on iTunes, is well worth checking out.