There are a number of ways to determine intelligence beyond traditional IQ tests. Tossing aside standardized testing, academic scores, and verbose vocabulary skills, people may be able to determine if someone is highly intelligent based on certain habits they display.

These aren’t things like reading more than ten books a month or flexing their high IQ or comprehension skills in casual conversation. It’s actually the opposite. Many things very intelligent people do may be seen as weird, or labeled as what an unmotivated or lazy person would do. Some of these behaviors may even come across as antisocial or introverted.

Recently, Slightly Smarter, a YouTube channel dedicated to “learning better, thinking sharper, and making progress without the pressure,” posted a surprising video on intelligent people. According to their research, intelligent people have some pretty weird habits that don’t seem smart at face value, but indicate high intelligence. In no particular order, here are ten things people may consider strange but are actually signs of high intelligence:

Here are all 10, in no particular order

When you walk into someone’s office or bedroom, you expect it to be tidy, or at least straightened enough to look presentable. But for those who are smarter than the average bear, their working area may be chaotic, at least to you. To them, the chaos serves a function. It’s a trail of ideas and projects to get back to, and surprisingly, they can locate everything they need on a second’s notice. It may appear like clutter and disorganization, but it’s functional for them,........

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