# Strategian: Science Magazine: Cogent \- Curated \- Updated \|\| Since 1999 \|\| Information you need\-produced by humans

> Cogent – Curated – Updated; since 1999; information you need\-produced by humans

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## Pages
- [About](https://www.strategian.com/about/)
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## Posts
- [The Internet to AI: a series \-\- Message \#1: A story](https://www.strategian.com/2026/04/29/the-internet-to-ai-a-series-message-1-a-story/)
- [Free Science books and textbooks](https://www.strategian.com/2024/12/02/free-science-books-and-textbooks/)
- [Knowledge and understanding can overcome fear and anxiety](https://www.strategian.com/2022/03/29/knowledge-and-understanding-can-overcome-fear-and-anxiety/)
- [Nitrates and drinking water: Impacts and disparities\. Is there a safe level? Cancer and health effects on children \(Part 2\)](https://www.strategian.com/2026/04/01/nitrates-and-drinking-water-impacts-and-disparities-is-there-a-safe-level-cancer-and-health-effects-on-children-part-2/)
- [Nitrates and drinking water: Impacts and disparities\. Is there a safe level? Intensive, corporate agriculture and the United States \(Part 1\)](https://www.strategian.com/2026/03/24/nitrates-and-drinking-water-impacts-and-disparities-is-there-a-safe-level-intensive-corporate-agriculture-and-the-united-states-part-1/)

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