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.
28
The first semi-permanent settlements appeared in Florida around 5000 B.C.
10
The average American spends a third of their overall time online playing games and using social networks.
298
The United States has paved enough roads to circle the Earth over 150 times.
72
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.
70
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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Forty percent of American adults cannot fill out a bank deposit slip correctly.
155