A large team of American scientists has found evidence of blood vessel-like structures in the fossil of Brachylophosaurus canadensis, a mid-sized duck-billed dinosaur that lived in what is now Montana around 80 million years ago. Blood vessels from the demineralized Brachylophosaurus canadensis bone. Image credit: M. Schweitzer, North Carolina State University. Research team leader Dr Tim Cleland of the University of Texas at Austin and his colleagues...
