When we eventually discover life somewhere other than Earth, unless we’re VERY lucky, it will probably show up as some weird chemical imbalance seen in some spectrum of something, which will be difficult to confirm, hard to interpret, and debated back and forth for ages.
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Maybe graphene needs a bit more attention that it already has then. Research reveals all... eventually.
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Carbon units are the better choice
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But guess what - oxygen is not necessary ! Life on earth began using sulfur, where organisms now use oxygen. And I've understood that both oxygen & sulfur are toxic to cells. Cell respiration is a "clever" way to harness a toxic substance for energy production & at the same
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time integrate it (O2) to an elaborate metabolic network including plants & animals. What would happen if global warming wiped plants away ? "Adios muchachos" (all life)
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Holy Boson! The King of the Universe just replied to my tweet!



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