‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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Babies cry but they don't produce tears until one to three months after birth.
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Nearly 10% of American households dress their pets in Halloween costumes.
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