During these summer months, we’ve been busy rummaging around the internet and adding new courses to our big list of Free Online Courses, which now features 1,150 courses from top universities. Let’s give you the quick overview: The list lets you download audio & video lectures from schools like Stanford, Yale, MIT, Oxford and Harvard. Generally, the courses can be accessed via YouTube, iTunes or university web sites, and you can listen to the lectures anytime, anywhere, on your computer or smart phone. We didn’t do a precise calculation, but there’s probably about 35,000 hours of free audio & video lectures here. Enough to keep you busy for a very long time. READ MORE: A Master List of 1,150 Free Courses From Top Universities: 35,000 Hours of Audio/Video Lectures | Open Culture.