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    "headline": "Older, Poorer Soil Builds a More Stable Microbial Web",
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    "dek": "Diversity fell across an ancient terrace sequence while cross-domain networks became more resilient.",
    "summary": "Diversity fell across an ancient terrace sequence while cross-domain networks became more resilient.",
    "body_text": "Bacteria, fungi, protists, and viruses reorganized as nutrients declined over hundreds of thousands of years. Genetic potential for nutrient acquisition and decomposition increased, suggesting functional persistence despite lower diversity.",
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    "tags": [
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      "source_id": "source-2026-07-22-020",
      "title": "Chinese Academy of Sciences via Newswise: Ancient soil microbiomes",
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      "url": "https://www.newswise.com/articles/ancient-nutrient-poor-soils-harbor-more-stable-microbial-communities",
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    "title": "Older, Poorer Soil Builds a More Stable Microbial Web",
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