According to a 2014 study, 1 in 10 Americans think HTML is a sexually-transmitted disease.
8
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
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
The first female self-made millionaire in America was a black woman.
4
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
The United States consumes 25% of all the world's energy.
51
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13