Free Technology for Teachers is an award winning blog. Here is his post on alternatives to youtube. I like most in fact bookmarked almost all of them. Great resrouce and if you don't subscribe to this blog you should
From Free Technology for Teachers, "Big Think is a video website containing expert commentary on a wide range of issues and ideas. The experts featured on Big Think really are experts in their fields. Harvard Professors, editors of major news publications, politicians, and other recognized authorities offer their commentary on various issues and ideas. Registered users of Big Think can comment on and discuss the videos or post an idea to have others discuss."
It's from CNN a respected news source and it is geared toward students. A quick look around found topics ranging from politics to sports to hurricanes. They are accompanied by discussion suggestions. There are also daily podcasts that can be downloaded or better RSS'd so students can get easy access to news!
What you can do with us Upload as many videos as you want—you get nearly unlimited space with ViddlerRecord videos directly to the site using your webcam!Post comments and tags at specific points in the videoShare your videos with RSS and iTunesKeep your money! We are 100% free!