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  "path": "/news/2026-03-lost-space-sperm-struggles-weightless.html",
  "publishedAt": "2026-03-29T17:00:03.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Scientists have used a tiny plastic \"obstacle course\" to test how much sperm would struggle to navigate during sex in the weightlessness of space.",
  "title": "Lost in space: Sperm struggles to navigate during weightless sex"
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