Research tools

Did you--you iPod user, you--know that iTunes has a feature called iTunes U that collects free lectures and movies and podcasts on many different subjects? You can pick a category - like history, fine arts, language, science, mathematics - or an educational program - like the Center for Strategic and International Studies, or the New York Public Library, or the Museum of Modern Art - and choose amongst hundreds of productions. I now have something to add to my usual googling of research topics. Go! Learn!