Find out more about the scientific method. Science as defined above is sometimes called pure science to differentiate it from applied science, which is the application of research to human needs. Fields of science are commonly classified along two major lines: 1  Natural sciences, the study of the natural world, and.
In the center a bird rising, and surrounding this the inscription Phoenix, Arizona - Incorporated February 25, 1881.. The first horse-drawn streetcar line was built along some 2 miles of Washington Street in 1887, and the kick off of this new mode of transportation was on Nov. 5.
It is also the tallest building in the state of Arizona. The second-tallest building in the city and the state is the US Bank Center, which rises 407 feet (124 m). Of the 20 tallest buildings in Arizona, 18 are located in Phoenix. The history of skyscrapers in Phoenix began with the completion in 1924 of the Luhrs Building, which is regarded as the first high-rise in the city; the structure rose 138 feet (42 m) and ten floors.