Source of insight – online lectures

Some universities (also the big US ones like MIT) public some of there training/lecture material as video, audio or transcript. If you have the chance to spend some time to give your knowlege about astronomy, physic or biol a kick – check out the following URL. Some of the material is brand new others are some year old, but still interesting.

http://Academicearth.org

http://ocw.mit.edu/OcwWeb/web/courses/av/index.htm

http://worldlibrary.net/Collections.htm

http://freevideolectures.com/

http://videolectures.net/

http://lecturefox.com

http://www.ted.com/