The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
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There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
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Women have a slightly higher average IQ than men.
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Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
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According to a study, women ages 22 to 30 with no children and no spouse earned a higher median income than comparable men in 39 of the 50 largest U.S. cities in 2008.
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You share your birthday with at least 9 other million people in the world.
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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.
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