There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Englishmen drink more tea than any person of any other nation (over twenty times more than Americans)
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40% of people who are rejected in romantic love slip into clinical depression.
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Every workday, 6.7 million people commute to Manhattan!
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2% of Europeans lack the genes for smelly armpits.
6
Yawns are more contagious among people with closer relationships.
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Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
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