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  "path": "/ecology/animals-ecology/laughter-clue-to-speech/",
  "publishedAt": "2026-06-26T16:24:27.000Z",
  "site": "https://www.zmescience.com",
  "tags": [
    "Animals",
    "Anthropology",
    "News",
    "ape laughter",
    "bonobos",
    "chimpanzees",
    "gorillas",
    "great apes",
    "Orangutans",
    "primate communication",
    "vocal control"
  ],
  "textContent": "Great ape laughter carries an ancient rhythm humans still use.",
  "title": "A 15-Million-Year-Old Clue in Ape Laughter May Reveal How Humans First Evolved the Ability to Speak"
}