Intelligence is notoriously hard to measure, which is why school performance isn’t always a true indication of an individual’s IQ. For example, we all know the story of how Albert Einstein, one of the most gifted scientists in world history, struggled to learn the traditional way, and as a result did poorly in school. And while it’s unlikely that we are secretly undiscovered scientific geniuses, these characteristic traits could suggest that you’re actually more intelligent than you give yourself credit for.