People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
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There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Dolphins have names for one another.
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Poor eyesight (myopia) is associated with higher IQ.
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In 1996, research found that having excessive body hair is linked to higher intelligence.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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