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  "path": "/articles/d41586-026-01120-8",
  "publishedAt": "2026-04-09T19:42:15.570Z",
  "site": "https://www.nature.com",
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  "textContent": "Nature, Published online: 09 April 2026; doi:10.1038/d41586-026-01120-8\n\nSmall changes in the non-coding part of the genome have a key role in sex determination.",
  "title": "Female mice grow testes after this single DNA tweak",
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