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  "path": "/your-blood-may-carry-a-700-million-year-old-secret/",
  "publishedAt": "2026-05-31T11:18:23.000Z",
  "site": "https://scitechdaily.com",
  "tags": [
    "Biology",
    "Blood",
    "Cell Biology",
    "Evolution",
    "Immunology",
    "Kyoto University"
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  "textContent": "A new evolutionary analysis suggests that modern blood and immune cells may preserve a 700-million-year legacy inherited from ancient single-celled ancestors. Long before humans, dinosaurs, or even fish existed, ancient single-celled organisms may have already carried the genetic blueprint for one of the body’s most important systems: blood. A new study from Kyoto University suggests [...]",
  "title": "Your Blood May Carry a 700-Million-Year-Old Secret"
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