Whether it is book smart, street smart, emotional intelligence, or any other smarts, there will be a zodiac sign with traits to be the best at analyzing, understanding, and dealing with any given situation. According to astrologists, Aquarians have high IQs, Scorpios take the perceptive smarts, Geminis and Libras share high mental smarts. Those born under Cancer and Pisces excel when it comes to emotional intelligence.