There is a word that is said many times and in many contexts. This word is "science" But what is science? what does it mean to study a problem or a fact by a scientific way? Who is the scientist? Can everyone be scientists? And what is the relationship between science and philosophy, art, religion, magic? Are only Physics, Mathematics and similar science or are sociology, psychology and others sciences too? Can economics be studied scientifically? This book written by an independent researcher and popularizer offers an answer to these questions. The book is written in a language that is as clear, simple, linear as possible without using too technical or specialized terms. In the first part the various elements of the scientific method are showed and explained In the second part, examples of problems, also taken from everyday life and from disciplines such as history and sociology solved with the scientific method, are showed . In the third part we will talk about the relationship between science and non-science (religion, art, philosophy, magic, metaphysics, etc.) which is not anti-science, insisting on the fact that in every people there can be a part of scientist but an artist, a philosopher, a politician, man or woman, and so on too. There is also a short history of the scientific method and a description both of whom the enemies of science are and of criticisms have been made of science . The author wishes everyone happy reading.