At its core, being completely science means adopting the as a personal operating system. This involves:
If you mean that something is based entirely on facts and data, without emotion or opinion, "pure science" is the correct term. completely science
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Based on the phrase "completely science," the most likely idiom you are looking for is However, depending on the context (whether you are being literal, sarcastic, or descriptive), here are the different ways to put this piece together: At its core, being completely science means adopting