People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
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Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
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Intelligent men tend to be more sexually faithful.
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Dolphins have names for one another.
18
In 1996, research found that having excessive body hair is linked to higher intelligence.
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Forty percent of American adults cannot fill out a bank deposit slip correctly.
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