Science starts with theories, hypotheses, that have examinable empiric ramifications. Nevertheless, those theories are not science; they motivate science. Science occurs when individuals do experiments or make observations that bear upon the implications or ramifications of the theories. Those findings tend to support or refute the theories, which are then modified or updated to adjust to the new observations or discarded if compelling evidence shows that they fail to describe nature. The cycle is then repeated. Science is the performance of empirical or observational work to obtain evidence
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