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
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
There are six times as many people of Irish descent living in America than in Ireland.
15
Most people smile when they are frustrated, according to a study.
15