People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
Dolphins have names for one another.
18
Poor eyesight (myopia) is associated with higher IQ.
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There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
You can only remember 4 things at a time.
31
The higher someone’s I.Q. the more likely they are to be sleep deprived.
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