As Mercury stations retrograde, all you know is that you know nothing at all — which is a potent threshold in any learning quest. If you’ve reached a dead end in your research, why not try another point of entry? If your topic just gets thornier and thornier, it can’t hurt to explore another rabbit hole altogether. You never know: A totally different school of thought could illuminate something you missed. By asking different questions, you might find that these disparate tunnels connect.