Strangeness is a concept used in the field of particle physics to refer to a property of some subatomic particles called "strange particles." These particles contain strange quarks, which are heavier and more unstable than the up and down quarks found in most ordinary matter. The study of strangeness and strange particles has played a significant role in advancing our understanding of the fundamental forces and particles that make up the universe. Strangeness is closely related to the strong force and is used to study the behavior of quarks and their interactions. This research area involves studying the properties and behavior of strange particles, as well as their interactions with other particles. It has led to important discoveries and insights into the nature of matter and the fundamental forces of the universe.