If you're over 100 years old, there's an 80% chance you're a woman.
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Yawns are more contagious among people with closer relationships.
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The name "Wendy" was made up for the book Peter Pan!
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The average American eats at McDonalds more than 1,800 times in their life.
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There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
About 3000 years ago, most Egyptians died by the time they were 30!
18
Every workday, 6.7 million people commute to Manhattan!
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