A subreddit for video lectures on mathematics, physics, computer science, programming, engineering, biology, medicine, economics, and any other subject you can think of!

See my free education site for more lectures: http://freescienceonline.blogspot.com

Also see these sites for pure science awesomeness: http://www.freesciencelectures.com http://www.feynmanphysicslectures.com http://www.carlsaganvideos.com http://www.hawkingvideos.com

Use this tool by Max Ogden to download all the lectures to your hard drive: https://github.com/maxogden/download-all-the-things

Also see awesome, related subreddits:

/r/documentaries