ABSTRACT
This introduction presents an overview of the key concepts discussed in the subsequent chapters of this book. The book gives a brief outline of the journey of science. It depicts the scientific evolution of ancient civilisations like India, China, Arabia, and Greece. The book describes the glorious past of Indian intellects and their contributions. It deals with the glorious struggle and martyrdom of scientists like Galileo and Bruno to hold the banner up in even the most crucial dark age of irrationality in the name of religion. The concept and attempts for better user-friendly work tools and places date back to several millennia. The book talks about the origin and evolution of the subject with special emphasis on the issue of biodiversity which also is a blazing matter today.
