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  "path": "/news/2026-06-potential-sources-frequency.html",
  "publishedAt": "2026-06-02T09:40:05.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Some people occasionally hear a low buzzing or humming sound that doesn't have a clear source. An estimated 2–4% of the world's population hear this. Scientists have been trying to figure out for decades where this sound comes from.",
  "title": "The hum that only a few can perceive: Potential sources of a low-frequency sound"
}