In 1996, research found that having excessive body hair is linked to higher intelligence.
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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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People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
Intelligent men tend to be more sexually faithful.
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You can only remember 4 things at a time.
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Intelligent people have more zinc and copper in their hair.
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