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
Alaska is the only state that can be typed on one row of keys on a QWERTY keyboard.
147
In the US, people can be rejected from joining the police force if they are too intelligent.
45
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
In Kentucky, US, every citizen is required by law to take a bath at least once a year.
699