{
  "id": 3816765,
  "title": "A few minutes of freezing can change the fate of iron in nature",
  "url": "https://urgent.news/2026/08/27/a-few-minutes-of-freezing-can-change-the-fate-of-iron-in-nature",
  "topic": "science",
  "section": "Science",
  "published": "2026-08-27T20:20:03.000Z",
  "source": {
    "name": "Phys.org",
    "slug": "phys-org",
    "url": "https://phys.org/news/2026-08-minutes-fate-iron-nature.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "Just a few minutes of freezing and thawing can have a decisive impact on how ferrihydrite, the most reactive iron mineral in cold soils, permafrost and glaciers, transforms, according to researchers at Umeå University. As climate warming intensifies freeze-thaw cycles and extends them into new regions, ice is becoming an increasingly important driver of Earth's ecosystems.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}