Intelligent people have more zinc and copper in their hair.
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Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
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
You can only remember 4 things at a time.
31
Dolphins have names for one another.
18
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13