If searching Google doesn’t answer your question, Google are now offering a way to hook you up with someone who has the answer. It’s called “Answers” and is presently in beta (this is why I assume it will be new to mah fellow dopers, apologies if this is old hat).
https://answers.google.com/
So if you’re proficient in one or more areas of human knowledge, this looks like an opportunity to fight ignorance while getting paid for it!