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Record-Keeping</title><link>https://www.smithsonianmag.com/smart-news/a-lock-of-braided-human-hair-could-change-how-we-think-about-inca-society-and-record-keeping-180987187/</link><description>The khipu knot-tying system was thought to have only been used by elites, but one artifact suggests commoners, too, knew how to use it</description><pubDate>Fri, 15 Aug 2025 15:48:23 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/a-lock-of-braided-human-hair-could-change-how-we-think-about-inca-society-and-record-keeping-180987187/</guid><enclosure length="802439" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/eRbnNjwZUHQma5MSzhh6qE7flG0=/420x240/filters:focal(1050x705:1051x706)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/88/59/88597901-b4dd-40ea-a20e-d9758d40d2d7/sciadvadv1950-f1.jpg"/></item><item><title>This Colorful Mural of Stars and Fish Is the First of Its Kind Found on the Coast of Northern 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