The Worldbuilding Q&A is the main list for that. I'll be adding a link to that from the main page and sidebar soon, but if you'd like you're free to add answers. Just click on one of the links that says "Add ____A#-# card." Mind saving the #-1 answer slot on each card for me? When you're done answering each question, please add a new inclusion like the old ones, so the next person will have an easy link.