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  "path": "/news2/biotech/newsid=69149.php",
  "publishedAt": "2026-04-14T19:04:27.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "Bacteria independently evolved similar RNA hairpin structures to fix a wasteful flaw in different CRISPR immune systems, revealing convergent evolution at work.",
  "title": "A built-in 'hairpin' prevents rogue CRISPR RNAs"
}