Most people smile when they are frustrated, according to a study.
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Two in five people in the world marry their first love.
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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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The human body contains over a billion miles of DNA.
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Picasso’s full name: Pablo Diego José Francisco de Paula Juan Nepomuceno María de los Remedios Cipriano de la Santísima Trinidad Ruiz y Picasso.
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Craniopagus conjoined twins Krista and Tatiana can see through each other’s eyes.
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