If you’re looking for “higher dimensions of the spirit” or “quantum healing,” you’ve come to the wrong place.
Instead, we’ve got real science, for free. All you need is time! At the SciTalks blog, Jon Shock recommends several videos on advanced topics in string theory. The Theoretical Advanced Studies Institute in Elementary Particle Physics comes highly recommended; it’s got a whole slew of videos on the AdS/CFT correspondence.