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Dala · 2424 days ago · link · · parent · post: Scientists discover the universe has much less phosphorus than we thought, potentially meaning there are fewer aliens
A thought: Now I am wondering if the answer to Fermi is that the universe is only just now (or recently) becoming capable of making planets with enough elements for complex life? (Just came up with this in the thread about Venus' clouds and thought I should post it here too.)