From Intute:
YouTube EDU: videos and channels from our university partners. This is a special section of YouTube which contains a directory of videos, film clips and channels from universities, colleges and higher education establishments worldwide. They include examples of lectures, events and course related materials covering all areas of the sciences, social sciences and humanities. It is possible to search the site by keyword, to browse by college name or to filter by country. Copyright and technical information is displayed on the website.
