In fact, there are even more strict limits on what science can do. These limits derive from the indispensability of falsifiable hypotheses (not always easy to formulate), and from the necessity of enough empirical evidence to actually test such hypotheses. For example, in the case of the origin of life (Chapter 12), or the origin of the universe itself, the questions may be scientifically approachable, and it certainly is possible to derive falsifiable alternative hypotheses. However, we may never have sufficient data to actually test and reject (or provisionally accept) some of the hypotheses
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