Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
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Most people smile when they are frustrated, according to a study.
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Craniopagus conjoined twins Krista and Tatiana can see through each other’s eyes.
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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2% of Europeans lack the genes for smelly armpits.
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‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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