A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
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
The United States has paved enough roads to circle the Earth over 150 times.
72
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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In the US, it is legal for women to be publicly topless in 33 states. Male toplessness became legal in 1936.
4
Each year, around 24,000 Americans are bitten by rats!
65