Q for biologists: if we have two kidneys for redundancy, why don't we have two hearts?
@psygnisfive maybe you're not looking hard enough -- I see plenty of reason behind a lot of these things. Much chance but reason too
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@DanielleFong we can imbue reason easily, that's what we humans do naturally. the question is, is the reason in our heads, or in evolution -
@DanielleFong to say there's two for redundancy just raises questions like the one you asked: if redundancy motivated it, why only kidneys? - 2 more replies
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