Fossils of an ancient sea creature are the oldest evidence of right-handedness

Sandego.net – Thinking Process: 1. **Analyze the Request:** * **Goal:** Improve the rewritten article to reach an SEO score of at least 80/100. * **Source URL:** https://www.cnn.com/2026/07/09/science/earliest-animal-right-handedness-spriggina-floundersi * **Original Title:** Fossils of an ancient sea creature are the oldest evidence of right-handedness * **Focus Keyword:** Fossils of an ancient sea creature * **Current SEO Gaps:** * Title length: 78 chars (Ideal: 35-75 chars). * Keyword mentions: 19 (Target: 3-12 natural mentions). * **Rules:** * Language: English. * Facts: Accurate, no invented names/dates/numbers. * Keyword Placement: Natural in opening paragraph and body. * Format: Clean HTML (`

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`). * Structure: At least 6 paragraphs, 2 section headings. * Output: ONLY the improved article HTML (no markdown commentary). * Style: Substantially different wording/structure from the current rewrite while keeping facts. 2. **Evaluate Current SEO Gaps:** * *Title Length:* The current title is “Ancient Sea Dweller May Be Earliest Right-Handed Animal”. It doesn’t contain the focus keyword “Fossils of an ancient sea creature”. I need to update the title to include the keyword and keep it under 75 characters. * *Keyword Density:* The current rewrite has 19 mentions, which is too high (keyword stuffing). I need to reduce this to between 3 and 12 natural mentions. * *Paragraph Count:* The current rewrite has many paragraphs (looks like ~10+). I need to ensure at least 6. * *Headings:* The current rewrite has headings. I need to ensure at least 2 section headings (`

`). 3. **Drafting Strategy:** * **Title:** Needs to include “Fossils of an ancient sea creature”. * Option 1: Fossils of an ancient sea creature show oldest right-handedness (68 chars) – Good. * Option 2: Fossils of an ancient sea creature reveal right-handed habit (66 chars) – Good. * Let’s go with: **Fossils of an ancient sea creature reveal oldest right-handedness** (66 chars). * **Keyword Usage:** * Target: 3-12 mentions. * Current count is 19. I need to trim significantly. * Mention 1: Title. * Mention 2: First paragraph. * Mention 3: Body paragraph. * Mention 4: Conclusion or near end. * Avoid repeating “fossils” or “ancient sea creature” unnecessarily. Use synonyms like “specimens”, “organism”, “Spriggina”, “creature”. * **Content Restructuring:** * Combine some short paragraphs to improve flow and reduce keyword repetition. * Ensure the keyword appears naturally in the first paragraph. * Keep the quotes but ensure they fit the flow. * Check facts: Spriggina floundersi, Ediacaran Period (635-542 mya), South Australia, 1958 discovery, Evans (AMNH), Diego García-Bellido, Scientific Reports, 2:1 ratio (right-bending vs left-bending – wait, the text says “curvature toward the left… favored their right sides”. I need to be careful with the direction logic. The quote says “twice as many… bent to the left as are bent to the right”. If bent left, it implies right-handedness? The text says “curvature toward the left… favored their right sides”. I will stick to the text’s interpretation). * Wait, let’s check the keyword count in the *new* draft carefully. 4. **Drafting the HTML:** * *Title Tag (implied by H2 usually, but request says “ORIGINAL TITLE” and “CURRENT REWRITE HTML” starts with H2. I should probably update the H2 to act as the title or add a title tag if needed. The prompt says “Return ONLY the improved article HTML”. Usually, SEO titles are `