Business Insider has created a fascinating video that features five “research-proven” signs that can help you gauge how smart someone, or even yourself, is.
As featured in the two-minute video, you can roughly estimate the intelligence level of a person with factors like coming from a “smart” family and having a musical background.
What do you think—can you really tell how smart someone by using these traits?
Watch the video below to find out more.
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[via Business Insider, images via video screenshots]