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Comment on Ask HN: Why don't we know everything there is to know about the human body?parent

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The human body doesn’t have a static number of “things.” Cells divide and die. Microorganisms come and go with each breath. How do you define “thing?” Do we have a finite number of thoughts at any time? A finite number of sensations? Of gut bacteria?

The universe presumably contains a finite number of stars, but knowing that doesn’t get us closer to counting them, much less describing their interactions.

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