The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
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People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
Poor eyesight (myopia) is associated with higher IQ.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Intelligent people have more zinc and copper in their hair.
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