The United States has paved enough roads to circle the Earth over 150 times.
72
In 1700s, the deer skin was a common medium of exchange between the trading settlers and the native Red Indians in America. This is how a buck became a slang for a dollar.
28
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
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13