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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Alaska is the only state that can be typed on one row of keys on a QWERTY keyboard.
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The United States consumes 25% of all the world's energy.
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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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Colorado switched mile marker "420" to "419.99" to stop people from stealing it.
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