Blood Vessels Found in T. rex Bones Rewrite What We Know About Dinosaurs

Researchers uncovered blood vessels in Scotty, the largest T. rex fossil. High-powered x-rays revealed mineralized tissues that deepen our understanding of dinosaur biology. Although much of modern paleontology is devoted to searching for organic traces in fossils, no sample of dinosaur DNA has ever been recovered. Most of what scientists know about dinosaurs comes from [...]