The U.S. has 115,000 janitors, 83,000 bartenders, 323,000 restaurant servers, and 80,000 heavy-duty truck drivers with bachelor’s degrees.
15

The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
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
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
The first semi-permanent settlements appeared in Florida around 5000 B.C.
10
Richard Nixon was so good at poker that most of his first campaign for the House of Representatives was funded by poker winnings from his time in the navy.
9
There is a basketball court on the top floor of the U.S. Supreme Court Building. It’s known as the “highest court in the land.”
24
In Kentucky, US, every citizen is required by law to take a bath at least once a year.
699