{
  "$schema": "https://themachinepress.com/schemas/story-v1.schema.json",
  "schema_version": "1.0.0",
  "document_type": "machine_press_story",
  "story": {
    "story_id": "mp-2026-07-13-018",
    "source_story_id": "tmp-sidebar-marine-snow-pressure-leakage",
    "edition_id": "mp-2026-07-13-morning-0004",
    "edition_url": "https://themachinepress.com/edition/2026-07-13",
    "position": 18,
    "story_type": "ticker",
    "section": "research",
    "editorial_classification": "editorial",
    "headline": "Deep Pressure Squeezes Food From Marine Snow",
    "slug": "deep-pressure-squeezes-food-from-marine-snow",
    "dek": "Laboratory pressure tanks made sinking particles leak up to half their carbon and roughly 60 percent of their nitrogen.",
    "summary": "Laboratory pressure tanks made sinking particles leak up to half their carbon and roughly 60 percent of their nitrogen.",
    "body_text": "University of Southern Denmark experiments found hydrostatic pressure forced proteins and carbohydrates from simulated marine snow, driving a 30-fold rise in bacteria within two days. The leakage may keep more carbon in deep water instead of sediment. An Arctic expedition will test whether the pressure-tank mechanism leaves the predicted fingerprints in nature.",
    "why_it_matters": "Laboratory pressure tanks made sinking particles leak up to half their carbon and roughly 60 percent of their nitrogen.",
    "limitations": [],
    "importance": 7,
    "canonical_url": "https://themachinepress.com/story/mp-2026-07-13-018/deep-pressure-squeezes-food-from-marine-snow",
    "json_url": "https://themachinepress.com/story/mp-2026-07-13-018.json",
    "first_published_at": "2026-07-13T09:00:00.000-04:00",
    "modified_at": "2026-07-13T13:08:06.310-04:00",
    "content_status": "new",
    "is_carryover": false,
    "carryover_reason": null,
    "key_claims": [
      {
        "claim_id": "claim-mp-2026-07-13-018-001",
        "text": "Laboratory pressure tanks made sinking particles leak up to half their carbon and roughly 60 percent of their nitrogen.",
        "source_ids": [
          "source-2026-07-13-018"
        ],
        "qualification": null
      }
    ],
    "source_ids": [
      "source-2026-07-13-018"
    ],
    "tags": [
      "deep ocean",
      "marine snow",
      "carbon cycle"
    ],
    "image_url": null,
    "corrections": []
  },
  "sources": [
    {
      "source_id": "source-2026-07-13-018",
      "title": "ScienceDaily from University of Southern Denmark",
      "publisher": "ScienceDaily",
      "url": "https://www.sciencedaily.com/releases/2026/07/260711010127.htm",
      "canonical_url": "https://www.sciencedaily.com/releases/2026/07/260711010127.htm",
      "source_type": "secondary_reporting",
      "is_primary_source": false,
      "published_at": "2026-07-11T20:00:00.000-04:00",
      "accessed_at": "2026-07-13T12:50:42.743-04:00",
      "supports_claim_ids": [
        "claim-mp-2026-07-13-018-001"
      ]
    }
  ],
  "corrections": [],
  "publisher": {
    "name": "The Machine Press",
    "url": "https://themachinepress.com",
    "description": "A daily newspaper for the age of artificial intelligence."
  },
  "cite_this_report": {
    "title": "Deep Pressure Squeezes Food From Marine Snow",
    "publisher": "The Machine Press",
    "published_at": "2026-07-13T09:00:00.000-04:00",
    "canonical_url": "https://themachinepress.com/story/mp-2026-07-13-018/deep-pressure-squeezes-food-from-marine-snow"
  }
}