Allosaurus Illustration (image) University of Manchester Caption This is an artist's illustration of the Allosaurus the scientists investigated. Preserved dinosaur skeletons show signs of injury that the the scientists were able to detect using state-of-the-art imaging techniques. Credit Jon Hoad Usage Restrictions To be used only with this piece of research. Credit: Jon Hoad Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.