‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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In a lifetime, an average person walks the equivalent of 5 equators
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Every human spent about half an hour as a single cell.
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Two in five people in the world marry their first love.
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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15 percent of Americans secretly bite their toes.
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Each year, around 24,000 Americans are bitten by rats!
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