In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26
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
91% of Americans eat turkey on Thanksgiving.
197
The first female self-made millionaire in America was a black woman.
4
There is a county in California called Yolo.
11
In the US, people can be rejected from joining the police force if they are too intelligent.
45
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5