The retail price for the iPad would be $1,140 if it were built by American workers instead of Chinese.
100
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
7
The Statue of Liberty has US women's shoe size 879.
53
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5