How to Rip a Phone Book in Half.

This is the most beautiful thing I've ever seen on any medium. No sarcasm.

The imagery is stunning, but this is far from plain English. I could watch it all day!

I'm training to be an oncologist and it is so wonderful to see the biology so elegantly rendered. It's such a powerful tool and there needs to be more of these types animations to educate future scientists as well as the public at large. A few years ago a media lab at Harvard produced a similar video along these lines:

http://www.studiodaily.com/main/technique/tprojects/6850.html

The lab also has a version of video with narration instead of music so to explain what is going on.

http://multimedia.mcb.harvard.edu/anim_innerlife_hi.html

Yeah, I'm quite familair with tech lingo and such, but this is not 'normal english' by a long mile.

Wow! Fascinating and stunning. I have long practiced visualization techniques to stay healthy - imagining T-cells and B-cells and macrophages devouring and attacking any cancer cells in my body. Now I now what they actually look like.

The graphics are lovely. It's not possible to draw everything accurately and have it make sense to everyone; the animators did a good job picking and choosing how and what to illustrate.
Word of caution, though, to all those who think think the modulation of angiogenesis is 'the key to cancer'--pay attention to the phrases such as 'may be'. It really 'may be', but those are also the things that are definitely not guaranteed.