In the US, people can be rejected from joining the police force if they are too intelligent.
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Dolphins have names for one another.
18
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Poor eyesight (myopia) is associated with higher IQ.
232
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13