Outside science, there is some understandable confusion about what that word means. In science, a theory is the best description we have. Unlike the common usage, it’s not a guess, or a hunch, or a hypothesis. It’s the most complete subjective picture of the living world that we have. It’s not truth, because that is the realm of math, religion, and philosophy. In science we simply lean in toward truth, every step inching us closer to the way things actually are, rather than how we perceive them to be, or would like them to
