We provide a detailed account of the successful 5,000-year-old search for the superstring, basic constituent of matter, capped by its capture in 1997, and highlights what particle physics have accomplished as a vital link in the capture of the superstring. The latter was the key to the solution of the unsolved problems and resolution of fundamental questions of physics, particularly, the 200-year-old gravitational n-body and turbulence problems and about the structures of the superstring, electron, proton, neutron and atom. Most of all, it laid the foundations of the grand unified theory that binds the forces and interactions of nature in this single theory. Naturally, it advances and unifies the natural sciences and strengthens multidisciplinary research as well. As a matter of fact, its theoretical applications have opened up new fields in biology, geology and oceanography, atmospheric science, physical psychology, astronomy, cosmology and medicine. GUT explains some previously puzzling phenomena, e.g., superconductivity, matter-anti-matter interaction and metal fatigue, and corrects misinterpretation of natural phenomena, e.g., thermonuclear reaction, magnetic levitation and supernova. Most of all, it brings us to the threshold of a new technological epoch that utilizes the clean, inexhaustible and free dark matter, one of the two fundamental states of matter, that is abundant everywhere in the Cosmos. The crucial element for all these discoveries are qualitative mathematics and modeling; the latter explains not only the appearances of nature but also how nature works in terms of its laws. Qualitative mathematics is the only route towards the discovery of natural laws.