12/13Aquarius- Scorpio & Taurus For Aquarius, another zodiac to not get along with is Taurus. Taurus is more relationship-oriented than Aquarius who constantly seek freedom, which causes trust issues for Taurus.

Is Aquarius the most powerful sign?

But when it comes to intelligence, which sign has the most brains? Aquarius and Scorpio are the smartest zodiac signs, astrologists say — but for two very different reasons. Those born under the Aquarius sign have the highest levels of analytical intelligence, which is measured by cognitive ability and IQ.