In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In the US, people can be rejected from joining the police force if they are too intelligent.
45
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
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
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10
