{
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  "path": "/article/physicists-trace-particles-back-to-the-quantum-vacuum/",
  "publishedAt": "2026-02-04T18:45:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "Scientists have found “strange quarks” that originated as virtual particles that sprang from nothing",
  "title": "Physicists trace particles back to the quantum vacuum"
}