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
There are six times as many people of Irish descent living in America than in Ireland.
15
The Internal Revenue Service audits 87 percent of women who claim breast implants as tax deductions.
54
American school children rank 25th in math and 21st in science out of the top 30 developed countries, but ranked 1st in confidence that they outperformed everyone else.
7
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
91% of Americans eat turkey on Thanksgiving.
197