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  "path": "/article/scientists-discover-why-gold-doesnt-rust/",
  "publishedAt": "2026-05-21T18:00:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "Gold doesn’t tarnish like similar metals do. A new paper says that the key is the intricate “herringbone” pattern of its atoms.",
  "title": "Scientists discover why gold doesn’t ‘rust’"
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