In Kentucky, US, every citizen is required by law to take a bath at least once a year.
699
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
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
The average American spends a third of their overall time online playing games and using social networks.
298
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Seven U.S. states are named after sovereigns - four kings and three queens.
5