Rebecca MacKinnon introduces the University Channel, "a collection of public affairs lectures, panels and events from academic institutions all over the world -- for you to view, listen to, stream or download."

The University Channel reminds me of another online repository of academic lectures: the Research Channel. Different from UC, RC claims itself "the C-SPAN of scientific and medical research." Acutally it's more than that. RC offers a huge collection of audio and video clips in a variety of disciplines: Arts and Humanities, Business and Economics, Engineering and Computer Science, Health and Medicine, K-12 and Education, Sciences, and Social Sciences. I think that's the cool thing about it: whatever your area is, you can find something useful here. Plus, those contributors include those world-renowned research universities, organizations, and corporate research centers. You can't miss it!