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  "path": "/articles/d41586-026-01535-3",
  "publishedAt": "2026-05-19T14:05:22.180Z",
  "site": "https://www.nature.com",
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  "textContent": "Nature, Published online: 19 May 2026; doi:10.1038/d41586-026-01535-3\n\nColossal Biosciences says its artificial egg has de-extinction and conservation potential.",
  "title": "Could this synthetic egg bring back extinct birds? Researchers urge caution",
  "updatedAt": "2026-05-19T00:00:00.000Z"
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