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  "path": "/releases/2026/02/260213223918.htm",
  "publishedAt": "2026-02-14T10:47:27.000Z",
  "site": "https://www.sciencedaily.com",
  "textContent": "Scientists at Michigan State University have uncovered the molecular “switch” that powers sperm for their final, high-speed dash toward an egg. By tracking how sperm use glucose as fuel, the team discovered how dormant cells suddenly flip into overdrive, burning energy in a carefully controlled, multi-step process. A key enzyme, aldolase, helps convert sugar into the burst of power needed for fertilization, while other enzymes act like traffic controllers directing the flow of fuel.",
  "title": "This breakthrough could finally unlock male birth control"
}