According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
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Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
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Saint Augustine, Florida, is the oldest European settlement in North America.
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Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
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Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
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The United States has paved enough roads to circle the Earth over 150 times.
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The United States does not have an official language.
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