€ O ... Bee Coin ... Change the Game ... Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe . In an older and closely related meaning, science also refers to a body of knowledge itself, of the type that can be rationally explained and reliably applied. Science in its original sense is a word for a type of knowledge (Latin scientia, Ancient Greek epistemē ), rather than a specialized word for the pursuit of such knowledge . Episteme , as distinguished from techne, is etymologically derived from the Ancient Greek word ἐπιστήμη for knowledge or science , which comes from the verb ἐπίσταμαι , "to know" . In Plato's terminology episteme means knowledge , as in "justified true belief " , in contrast to doxa , common belief or opinion. The word epistemology , meaning the study of knowledge , is derived from episteme . « έστιν ουν επιστήμη δόξα αληθής μετά λόγου...