Yes, I'm also glad you didn't! Linking the keywords is good for the search engines 😉
I understand what you're saying about the number of forums, but you have to also understand my position. When targeting all of the disciplines of Science, you have to be specific - not everything fits exactly in one place or the other, so you need a large number of forums to assure that each topic is categorized properly.
hey, i'm curious, what sort of age range does your site have? i'd like to join, but i might hold off until i can get more experience so i won't be totally out of my depth.