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  • In an age that offers seemingly limitless technological promise, it makes sense to step back, suspend our credulity, and consider why we are so inclined to believe that what could happen will happen soon. We should remain hopeful, but also aware that nature will always be cleverer than we are.

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    agar4_MARK RALSTONAFP via Getty Images_jeffbezosspace Mark Ralston/AFP via Getty Images

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