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  "path": "/article/axolotls-can-regenerate-their-thymus-a-complex-immune-system-organ/",
  "publishedAt": "2026-02-14T12:00:00.000Z",
  "site": "https://www.scientificamerican.com",
  "textContent": "Axolotls can completely rebuild their thymus, a key immune organ",
  "title": "Axolotls can regenerate their thymus, a complex immune system organ"
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