Why Our Existence Is So Unlikely
To be alive at all is an astonishing accident. A human being is made from ordinary atoms that do not care, do not plan, and do not know they are part of anything important. Yet for a few decades these tiny pieces come together in exactly the right way to make a body, a mind, and a sense of self. When life ends, the atoms simply go back to being atoms, ready to join something else.
The odds against any one person existing are almost absurdly high. Every parent, grandparent, and ancestor before them had to survive long enough to reproduce, in an unbroken chain stretching back billions of years. If any one of them had missed a meeting, taken a different path, or died a little too soon, a completely different person would be here, or no one at all. Human life sits on top of a near-endless run of luck.
That same luck applies to life as a whole. Almost every species that has ever lived is gone. Extinction is the normal condition on Earth, not the exception. The strange fact is not that so much life has disappeared, but that any of it has managed to continue long enough to produce creatures capable of asking where they came from.
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