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.
Phoenix, Arizona. Phoenix (/ËfiËnáµ»ks/) is the capital and most populous city of the U.S. state of Arizona. With 1,615,017 people (as of 2016), Phoenix is the fifth most populous city nationwide, the most populous state capital in the United States, and the only state capital with a population of more than one million residents.