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.
17
Dolphins have names for one another.
18
Intelligent people have more zinc and copper in their hair.
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People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
You can only remember 4 things at a time.
31
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
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