6. University of Oxford
[youtube]http://www.youtube.com/watch?v=aekyaTJZkTc[/youtube]
5. Harvard University
[youtube]http://www.youtube.com/watch?v=cOqxfp7StXs[/youtube]
4. University of California, Berkeley (UCB)
[youtube]http://www.youtube.com/watch?v=9yOFPM6G1Hg[/youtube]
