Public Library
Public Library
Public Library
Explore YouTube video summaries, PDF and document analysis, and source-backed Q&A across AI, technology, business, investing, science, and more. Follow citations to the original video timestamps and supporting passages. Browse by topic and bring related analyses together in a Knowledge Hub.
Dr. Max Krummel explains how your immune system works, why sleep matters, and how thoughts and memories can reactivate immune states.
Gut health, GLP-1s, and metabolic disease explained by Harvard gastroenterologist Dr. Chris Thompson.
Your metabolism is the sum of 30 trillion cellular metabolisms, and mitochondria decide whether each cell burns fuel or builds new cells.

Choose what to improve first on a low-traffic website: refresh an existing page, target a distinct intent, compare overlap, or collect more evidence.
Money is tokenized human labor energy, and Bitcoin perfects it. See what gold and fiat get wrong.
Is an AI YouTube summary accurate? Check the transcript, speaker attribution, numbers, missing context, and timestamped evidence before reusing it.
Turn YouTube lectures into study notes with AI. Use a focused prompt, check timestamped evidence, and build review questions from the lecture.
Acoustic measurements point to vast structures deep beneath the Giza pyramids, and Biondi says history may need rewriting.
Cem Karsan says the government's next move is printing money and buying stocks, and a 25-35% crash comes first.
OpenAI DevDay launched Dots, AI workers that keep working after you close the app, plus ChatGPT Space, GPT-6.1 Sol, and Codex upgrades.