Precedents
While going to work or when I'm walking from work to the university, I tend to get bored. A year ago I got an iPod due to some obscure business, but that's not the point of this story, and I got reallz interested in its Podcast feature.
Although it's just a radio program meant to be played in a mobile device, it is an amazing source of entertainment and information. I started listening podcasts about technology and engineering because of my English-level. But after some weeks of practice I started listening to some programs that I considered "advanced".

In summary, here they are: