Theodore Roosevelt read at least one book every day.
22
According to a 2014 study, 1 in 10 Americans think HTML is a sexually-transmitted disease.
8
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
225
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
The first female self-made millionaire in America was a black woman.
4
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