Watch lectures, and many other college and k-12 educational presentations. Watch a lecture from Stanford as if you were in the class room.
RH: More and more content is being added to this app every day. Watch your favorite university lecture on just about any subject that interests you. The iTunes U app integrates with iBooks, iCloud, and other apps to make it easy to access what ever subject you want. There are pod casts and text copy as well.