8 common traits of highly intelligent people

Over on Quora, more than 100 people have answered the question, "What are the common traits of highly intelligent people?"

Some users claim to know from personal experience; others are just taking an educated guess.

As it turns out, many users gave answers that researchers would agree with.

We pulled eight of the most intriguing Quora responses and explained the science behind them - and let's just say, we feel a lot smarter now.

Here's what we learned.