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<rss version="2.0"><channel><title>Topic Central</title><link>https://topiccentral.it.com/</link><description>A place to follow a question from its first clue to its wider context.</description><language>en</language><item><title>Why Soap Lifts Grease from a Plate</title><link>https://topiccentral.it.com/why-soap-lifts-grease-from-a-plate/</link><guid isPermaLink="true">https://topiccentral.it.com/why-soap-lifts-grease-from-a-plate/</guid><pubDate>Thu, 22 Oct 2026 09:40:00 +0000</pubDate><category>Science</category><description>Why soap lifts grease from a plate: see how its molecules help water loosen oily residue, carry it away and leave a cleaner surface after rinsing.</description></item><item><title>The Message Hidden in a Medieval Coat of Arms</title><link>https://topiccentral.it.com/the-message-hidden-in-a-medieval-coat-of-arms/</link><guid isPermaLink="true">https://topiccentral.it.com/the-message-hidden-in-a-medieval-coat-of-arms/</guid><pubDate>Fri, 16 Oct 2026 14:10:00 +0000</pubDate><category>History</category><description>Read a medieval coat of arms without treating every shape as a fixed code: identify its parts, compare records and separate evidence from guesswork.</description></item><item><title>When a Word Changes Jobs: From Noun to Verb</title><link>https://topiccentral.it.com/when-a-word-changes-jobs-from-noun-to-verb/</link><guid isPermaLink="true">https://topiccentral.it.com/when-a-word-changes-jobs-from-noun-to-verb/</guid><pubDate>Sat, 10 Oct 2026 16:10:00 +0000</pubDate><category>Language</category><description>When a word changes jobs from noun to verb, English gains a compact new action word. Learn to spot the shift and judge when it fits.</description></item><item><title>What Makes a Leaf Turn Red in Autumn</title><link>https://topiccentral.it.com/what-makes-a-leaf-turn-red-in-autumn/</link><guid isPermaLink="true">https://topiccentral.it.com/what-makes-a-leaf-turn-red-in-autumn/</guid><pubDate>Mon, 05 Oct 2026 17:50:00 +0000</pubDate><category>Nature</category><description>What makes a leaf turn red in autumn? See how chlorophyll fades, why some trees make red pigment and what leaf colour can—and cannot—tell you.</description></item><item><title>Inside a QR Code: How Squares Carry a Message</title><link>https://topiccentral.it.com/inside-a-qr-code-how-squares-carry-a-message/</link><guid isPermaLink="true">https://topiccentral.it.com/inside-a-qr-code-how-squares-carry-a-message/</guid><pubDate>Tue, 29 Sep 2026 09:20:00 +0000</pubDate><category>Technology</category><description>Inside a QR code, learn how finder patterns, data encoding and error correction turn a camera image into readable content, and why masking is not encryption.</description></item></channel></rss>
