DEVELOPMENT OF SCIENCE IN ANCIENT, MEDIEVAL AND MODERN PERIODS INTRODUCTION Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe . Science in a broad sense existed before the modern era and in many historical civilizations . [28] Modern science is distinct in its approach and successful in its results , so it now defines what science is in the strictest sense of the term. Science in its original sense was a word for a type of knowledge , rather than a specialized word for the pursuit of such knowledge. In particu...