Very interesting NASA site that includes links to live NASA TV and other streaming content.
Streaming content for mobile devices.
A comprehensive site of streaming radio stations
A site containing streaming radio stations formatted specifically for mobile devices
Internet Archive:A fascinating site with a massive archive of video, audio, live music and text. Most content can be streamed or downloaded. Also contains a feature called "Way Back Machine" that is an archive of websites. Using "Way Back Machine" you can view archived websites as they appeared on the date you specify.