Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
Every month, about 9 out of 10 American children visit a McDonald’s restaurant.
299
There are two credit cards for every person in the United States.
2
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
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