marile universitati americane ofera gratuit cursuri pe youtube. cateva exemple:
– „despre transformările Moebius” http://www.youtube.com/watch?v=JX3VmDgiFnY
– Vanderbilt University ( http://www.youtube.com/vanderbilt ),
– University of California, Berkeley ( http://www.youtube.com/ucberkeley ),
- University of Southern California ( http://www.youtube.com/usc ),
– University of California Television ( http://www.youtube.com/uctv ),
– Duke University ( http://www.youtube.com/dukeuniversitynews ),
– Washington University ( http://www.youtube.com/wustlpa ),
– Purdue University ( http://www.youtube.com/purdue ), – Auburn University ( http://www.youtube.com/auburnuniversity )
…si, in fine, dar in orice caz nu pe ultimul loc, celebrul MIT ( http://www.youtube.com/mit ).