GoKawiilFossilized red blood cells found in 115-million-year-old dinosaur bone
Researchers led by Kliti Grice at Curtin University examined hind leg bones of an Aratasaurus specimen housed at Brazil's National Museum, discovered in a mine in 2008. Using electron microscopy and chemical testing, they identified microscopic structures resembling red blood cells and traces of heme, the molecule behind hemoglobin, within the bone's vascular canals. The findings were published in Proceedings of the National Academy of Sciences.
GoKawiil's interpretation of the reporting above, not reported fact.
Grice told The Guardian this represents fossilized red blood cell chemistry never before documented in situ in any fossil, which could reshape understanding of how organic molecules persist across geological time. The discovery is described by researchers as a molecular trace of ancient biology rather than actual preserved blood, suggesting fossilization processes may preserve more biochemical information than previously assumed, though the scientific mechanism remains unexplained.
- Researchers found fossilized red blood cell structures and heme traces in a 115-million-year-old Aratasaurus bone.
- The specimen was unearthed in a Brazilian mine in 2008 and studied at the National Museum.
- Lead researcher Kliti Grice called it a 'world first' but clarified it is not literal preserved blood, rather a molecular echo of ancient biology.
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Published there as: “We’re Hoping Our Billionaire Overlords Took Away the Right Lessons from “Jurassic Park,” Because Scientists Just Found Dinosaur Blood”
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