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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
50% of pizzas in America are pepperoni.
183
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
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
The United States has paved enough roads to circle the Earth over 150 times.
72