What's your sign? It's one of the first questions some of us are asked when approached by someone in a bar, at a party or even when having lunch with some of our friends. Astrology, for centuries, has been one of the largest phenomenons out there. There's a reason why many magazines and newspapers have a horoscope page, and there's also a reason why almost every bookstore or library has a section dedicated completely to astrology. Many of us could just be curious about why some of us act diff...