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  "path": "/history/sticky-substance-neanderthal-medicine/",
  "publishedAt": "2026-06-01T01:36:29.000Z",
  "site": "https://refractor.io",
  "tags": [
    "Continue Reading",
    "Archaeology",
    "Science",
    "Neanderthal",
    "Traditional medicine",
    "Materials"
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  "textContent": "Neanderthals used tar extracted from birch tree bark as a glue to haft their tools, according to previous research. It now appears this dark, sticky substance may have had multiple applications.\n\nContinue Reading\n\n**Category:** Archaeology, Science\n\n**Tags:** Neanderthal, Traditional medicine, Materials",
  "title": "This sticky substance could be a rare example of Neanderthal medicine"
}