Seven U.S. states are named after sovereigns - four kings and three queens.
5
Theodore Roosevelt read at least one book every day.
22
Chanel Tapper, a student from California, USA, has the world's longest tongue, measuring 9.75 cm (3.8 inches), from tip to top lip!
26
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
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 United States has paved enough roads to circle the Earth over 150 times.
72