You are now able to get free lectures from top universities including UCLA + Yale. All sorts of subjects are discussed.
The only downside here is that you need iTunes installed on your computer. I’ll be checking out the free anthropology, psychology, and other resources. There are tons of other free sites as well. Check them out.
MIT – http://ocw.mit.edu/
Podcasts can also be a great educational resource. Check them out to, you may be able to learn astronomy or chemistry during your commute.