This will probably take a while to download because the site hosting it is pokey right now, but this is pretty damn cool. The narrator, Don Pettit, uses a bit of scientific lingo, but if that bothers you just turn the sound down. It's worth watching, and after all, you paid for it!
Zero gravity water bubble and Alka Seltzer experiments - via NASA
[a href="http://pof.aip.org/pof/gallery/video/2005/911509phflong.mov"]http://pof.aip.org/pof/gallery/video/2005/911509phflong.mov[/a]