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  "path": "/articles/d41586-026-00867-4",
  "publishedAt": "2026-03-26T23:33:26.669Z",
  "site": "https://www.nature.com",
  "tags": [
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  "textContent": "Nature, Published online: 26 March 2026; doi:10.1038/d41586-026-00867-4\n\nData gathered during a 1,200-kilometre polar trek show where PFAS levels are the highest.",
  "title": "History of ‘forever’ chemicals is written in Antarctic snow",
  "updatedAt": "2026-03-26T00:00:00.000Z"
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