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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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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The United States has paved enough roads to circle the Earth over 150 times.
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The first semi-permanent settlements appeared in Florida around 5000 B.C.
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There are six times as many people of Irish descent living in America than in Ireland.
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The turkey is one of the most famous birds in North America. In fact, Benjamin Franklin wanted to make the wild turkey, not the Bald Eagle, the national bird of the United States!
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The retail price for the iPad would be $1,140 if it were built by American workers instead of Chinese.
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