ViaScience
New to topics? Read the documentation here!
Those guys are really good, Ciro Santilli especially enjoyed their quantum mechanics playlist: www.youtube.com/playlist?list=PL193BC0532FE7B02C
The quantum electrodynamics one was a bit too slow paced for Ciro unfortunately, too much groundwork and too little results.
Accompanying website with a tiny little bit of code: viascience.org/what.html
TODO: authors and their affiliation.
Videos licensed as CC BY-SA, those guys are so good.