I think the latest Sixty Symbols video is really fascinating.
Not only does it delve into some cool space stuff and physics - but it deals with humans, jokes and the academic process.
To me, it shows how a silly joke got out of hand and has cast a shadow over one of the most important papers in cosmology.
The first half of this video deals with the science. The second half deals with the issue of authorship and, more importantly, non-authorship.
And here is some extra footage from Test Tube, which deals with more of the science...