Where can I find topics listed?

http://www.fluther.com/browse/topics/
If you want to search for something not on the list you can go to this http://www.fluther.com/browse/tag/and insert tag here

There is a topic cloud on the right hand navigation bar. It’s below the page break, so you have to scroll down to see it, below the Community Feed section. There’s a “see all” selection. Also, if you add topics to the interests and expertise section on your profile, Fluther will send automatically send you questions with those tags.

EDIT: You won’t see the cloud when you’re inside an open question. Go to Siblings on the right hand nav, select browse and you’ll see it below Community Feed.

I dont know Pandora, I just wanted to say hi:)