The first semi-permanent settlements appeared in Florida around 5000 B.C.
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The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
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A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
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Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
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In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
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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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