Why We Do What We Do

A colleague of mine is of the opinion that "we won't have truly evolved as a species until we stop doing things simply because we can. Perhaps it is more like we won't know we have truly evolved as a species until we stop doing things because we can." My view is that we evolve precisely because we do things with no apparent reason other than we can. Discovery is the result of curiosity mixing with exploration and action. This is at the heart of what drives science. As a quote attributed to Steve Holmes observes:

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