WASHINGTON, D.C. — Scientists have announced that chemical analysis of a 115‑million‑year‑old dinosaur bone revealed traces of heme, the pigment that gives living red blood its color, suggesting fossilised red blood cells may have survived in the fossil record.

The discovery came from a team led by Dr. Maria Silva at the Universidade Federal do Rio Grande do Norte, who examined the hind‑leg femur of a small meat‑eating dinosaur, Aratasaurus, uncovered in northeastern Brazil. Using mass spectrometry and Raman spectroscopy, the researchers identified heme molecules in the bone matrix, a finding that, according to Silva, could point to preserved cellular structures: “The spectral signatures match those of modern red blood cells, which is extraordinary for a specimen that is 115 million years old,” she said.

KEY POINTThe discovery came from a team led by Dr.

While the study is still in pre‑print form, its implications extend beyond paleontology. Bioengineers see the potential to unlock ancient enzymes and proteins that could inform the design of new drugs or industrial catalysts. The team’s preliminary estimates suggest that the concentration of heme could be as high as 0.02 µg per gram of bone, a level that might be recoverable for laboratory analysis.

Investors in life‑science and heritage technology are watching closely. Venture capitalists have reportedly increased their outreach to companies that specialize in ancient DNA and protein sequencing, with some firms already seeking patents on extraction protocols that could be adapted from this new method. The European Union’s Horizon Europe programme has earmarked up to €30 million for projects that aim to develop “deep‑time biomolecular reconstruction.”

However, experts caution that the findings are preliminary and that contamination or misinterpretation of the spectral data could still be an issue. Dr. Jonathan Reed, a paleobiologist at Oxford University, notes that “fossilisation typically destroys cellular components; detecting heme alone does not prove the presence of intact cells.” Follow‑up studies involving isotopic analysis and electron microscopy are planned to confirm the cellular origin of the molecules.

Key Takeaways

• First reported detection of heme in a dinosaur bone, hinting at preserved red blood cells.
• Potential new frontier for biotechnological applications, including enzyme discovery.
• Growing investor interest in ancient biomolecule research, with significant funding opportunities.

As research continues, the scientific community will need to balance enthusiasm with rigorous verification. The possibility of retrieving ancient biological molecules from deep time could reshape both our understanding of evolution and the commercial landscape of biotechnology.