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Substack Is Not Collapsing. The Promise Was.The Graph That Goes Vertical Is Usually Somebody Else’sToba: The Winter That Almost Ended UsJay Stifflemire: Nothing Ever Gets Written DownGeorgie-Ann Getton: I Forgot I Had Free WillAI Detection Cannot Be Evidence, and Publishing Is Using It That WayAI Consciousness Left Philosophy and Entered the LaboratoryBlack Tuesday: The Web Ring War Nobody Outside It NoticedThe Web Got Fenced: What AI Search Costs Small SitesWhat the AI Visibility Industry Sells, and What the Evidence Says

Substack Is Not Collapsing. The Promise Was.The Graph That Goes Vertical Is Usually Somebody Else’sToba: The Winter That Almost Ended UsJay Stifflemire: Nothing Ever Gets Written DownGeorgie-Ann Getton: I Forgot I Had Free WillAI Detection Cannot Be Evidence, and Publishing Is Using It That WayAI Consciousness Left Philosophy and Entered the LaboratoryBlack Tuesday: The Web Ring War Nobody Outside It NoticedThe Web Got Fenced: What AI Search Costs Small SitesWhat the AI Visibility Industry Sells, and What the Evidence Says

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Tag: prehistory

Toba Volcano

Critical Thinking

Toba: The Winter That Almost Ended Us

September 6, 2026

Seventy-four thousand years ago a mountain in Sumatra came apart and took the sky with it. Sunlight fell, the cold held for years, and the human population may have dropped to fewer than ten thousand. This is what that winter…