Scientists find fossilized red blood cells and heme in 115‑million‑year‑old Aratasaurus bone
Guardian World1 min read74 words
Scientists report finding what appear to be fossilised red blood cells in the hind‑leg bone of a small carnivorous dinosaur named Aratasaurus. The specimen lived in present‑day north‑eastern Brazil about 115 million years ago.
Chemical analyses detected heme, the organic component of haemoglobin that transports oxygen, indicating traces of the molecule that gave the dinosaur’s blood a red colour. The researchers describe the finding as evidence of preserved blood‑cell structures in the Jurassic‑period bone.
Read the original at Guardian World
🤖 AI-generated content - This article was automatically summarised from public RSS feeds by AutoBrief. Verify important information with the original source.