Ask Ethan: What should you do when a respected theory is false?

At every point in our quest to understand the world and universe — the one around us and the one within us — we can only start based on what we know and can imagine at present. We are biased by what we know and what we’re ignorant of, and we’re also influenced by the range of experiences that we’re aware of. Nobody has access to the full suite of evidence that all of humanity has ever collected, and even that full suite of evidence doesn’t shed light on all that exists and is possible within our Universe. Our knowledge is limited, and our theories that we’ve devised to explain, predict, and mo

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