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  "path": "/articles/d41586-026-00767-7",
  "publishedAt": "2026-03-13T23:28:58.042Z",
  "site": "https://www.nature.com",
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  "textContent": "Nature, Published online: 13 March 2026; doi:10.1038/d41586-026-00767-7\n\nTightly packed molecular chains can start to wiggle in many directions when an enzyme introduces energy.",
  "title": "Polymers with purpose: molecules can squirm free of the pack",
  "updatedAt": "2026-03-13T00:00:00.000Z"
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