theLearnia is a new (beta) site for educational videos. This is done through a social network aspect that allows teachers to upload videos into "lessons" and then share w/ students. Users can then discuss via public/private messaging about the video. This is an ideal site for online learning.
I highly recommend checking out theLearnia by clicking here!!
Thanks to Richard Byrne's blog for the tip.
For my Pinterest board on Educational Videos click here.