People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
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Intelligent people have more zinc and copper in their hair.
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Approximately one-third of the population can't snap their fingers!
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The world's youngest parents were 8 and 9 and lived in China in 1910.
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Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
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Each year, around 24,000 Americans are bitten by rats!
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