Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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There are more than 150 million sheep in Australia, and only some 20 million people.
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The Japanese, on average, are the shortest people.
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By weight, Bone is five times stronger than steel.
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Every month, about 9 out of 10 American children visit a McDonald’s restaurant.
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There are about 255 babies born worldwide every minute.
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40% of people who are rejected in romantic love slip into clinical depression.
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