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  "path": "/article/earths-core-may-contain-45-oceans-worth-of-hydrogen/",
  "publishedAt": "2026-02-10T16:30:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has mostly been here since the beginning",
  "title": "Earth’s core may contain 45 oceans’ worth of hydrogen"
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