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>Or life is so exquisitely tuned to optimize for earth’s conditions it isn’t even funny. Well, of course Earth life is optimized for Earth's environment. Other

>Or life is so exquisitely tuned to optimize for earth’s conditions it isn’t even funny. Well, of course Earth life is optimized for Earth's environment. Otherwise it wouldn't exist. I bet somewhere out there an intelligent lifeform with radically different chemistry and biology is posting on their online forums, "It's pretty amazing our planet has exactly the liquid argon-cadmium oceans we need to survive, really makes you think."

ProjectArcturis 4y ago
It's really hard to imagine chemistry that could support non-carbon-based life. You just really need an atom that can make 4 covalent bonds.
- sokoloff 4y ago
  Silicon can make 6 covalent bonds (I think; it’s been a while since I’ve taken any formal chemistry/material science courses).