Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The United States has paved enough roads to circle the Earth over 150 times.
72
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
The retail price for the iPad would be $1,140 if it were built by American workers instead of Chinese.
100
The United States does not have an official language.
88
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
There are six times as many people of Irish descent living in America than in Ireland.
15
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