Singapore has the world’s highest percentage of millionaires, with one out of every six households having at least $1,000,000 US dollars in disposable wealth.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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The world's longest traffic jam took place in Beijing, China. It was over 60 miles long and lasted 11 days.
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