There are several overlapping sets of policies governing graduate students in the Biological Sciences Division, including those from university, divisional, and program-specific sources. On this page you will find general University information about graduate student policies, including information about the Office of Research Safety. Information specifically for BSD students requires a CNet login. Use the tabs at left to navigate this section.
German scientist Ernst Stromer unearthed the original bones of Spinosaurus at the turn of the 20th century but they were lost in World War II. The giant dinosaur eluded scientists until 2014, when an international team, including UChicago paleontologists Nizar Ibrahim and Paul Sereno, analyzed newly acquired fossils, remains from museum collections, and historical records to render the dinosaur’s skeleton and reveal it as the first truly semi-aquatic dinosaur.