Prof Kliti Grice with the fossilised remains of the theropod dinosaur Aratasaurus
Prof Kliti Grice with the fossilised remains of the Aratasaurus, a dinosaur that lived in Brazil 115m years ago. Photograph: Curtin University
Prof Kliti Grice with the fossilised remains of the Aratasaurus, a dinosaur that lived in Brazil 115m years ago. Photograph: Curtin University
Fossilised red blood cells found in 115m-year-old dinosaur’s bone, say scientists

Chemical tests on Aratasaurus bone identify presence of heme, the organic compound that allows haemoglobin in blood to carry oxygen around body