If you've ever taken an IQ test, then you probably have some idea of how smart you are.

But scientific research projects suggest there might be some more surprising telltale signs of intelligence.

Here are some habits that might just indicate you're a genius.

You're listening.

You're listening to be amazed.

It might surprise you to know that swearing isn't a sign of low intelligence or poor education like your parents and teachers would have you believe.

In new research, linguistics and cursing expert Timothy J. Ph.D.

asked over 200 college students aged 18 to 22 to list words for three categories.

Standard vocabulary, animal words, and swear words.

The results indicated that swear word fluency positively correlated with overall verbal fluency,

meaning that those who could use more taboo words also had a larger vocabulary.

What's more J hypothesized that knowing how and when to use these words correctly

is a positive marker of emotional intelligence,

undermining the common belief that swearing is just a way for lazy people to fill in gaps in sentences.

Understanding their expressive nature and nuanced distinctions actually indicates a more competent linguistic skill.

Basically, it's not just when you swear, it's how you swear.

Maybe you have heard that having the courage to turn the shower dial down in the morning

can provide your body with a much-needed boost.

But there's some science behind the benefits of braving the cold.

Authors of one study in Finland, where winter swimming is common, noted that an

adaption to cold water temperatures was associated with a significant decrease in tension and

fatigue and an improved mood in memory. Historically, some of the world's smartest minds like

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