image: Camarasaurus tooth from the Jurassic Morrison Formation of North America that was analyzed in the study by Eagle et al. This image relates to an article that appeared in the June 23, 2011, issue of Science Express, published by AAAS. The study, by Robert Eagle at California Institute of Technology in Pasadena, Calif., and colleagues was titled, "Dinosaur Body Temperatures Determined from Isotopic (13C-18O) Ordering in Fossil Biominerals." view more
Credit: [© Thomas Tütken, University of Bonn]