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  "path": "/scientists-think-theyve-uncovered-the-15-million-year-old-origin-of-laughter/",
  "publishedAt": "2026-06-27T17:02:33.000Z",
  "site": "https://www.404media.co",
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  "textContent": "Recordings of laughter from humans and other great apes suggest that the distinctive rhythm of \"ha ha ha\" emerged in a common ancestor that lived at least 15 million years ago.",
  "title": "Scientists Think They’ve Uncovered the 15-Million-Year-Old Origin of Laughter"
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