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.
Dr. A.J. Chandler, who later started the city bearing his name south of Mesa, enlarged the Mesa Canal with heavy machinery in 1895. Dr. Chandler also built the first office complex in Mesa, on the northwest corner of Main and Macdonald, using the first evaporative air cooling system in Arizona.