The United States does not have an official language.
88
Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
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
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25