A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
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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.
30
In the US, it is legal for women to be publicly topless in 33 states. Male toplessness became legal in 1936.
4
There are six times as many people of Irish descent living in America than in Ireland.
15
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
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