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  "path": "/science/news-science/ancient-surgical-tools-found-in-china-may-hold-the-earliest-chemical-evidence-of-anesthesia/",
  "publishedAt": "2026-05-26T17:20:16.000Z",
  "site": "https://www.zmescience.com",
  "tags": [
    "Archaeology",
    "Chemistry",
    "News",
    "Anesthesia",
    "china",
    "surgery",
    "wolfsbane"
  ],
  "textContent": "Laser analysis found traces of a toxic painkilling plant on Ming Dynasty instruments.",
  "title": "Ancient Surgical Tools Found in China May Hold the Earliest Chemical Evidence of Anesthesia"
}