A cake honoring Ning Zhao (Sedimentologist, Massachusetts Institute of Technology, USA) on his Ph.D. completion. Provided by Isabel Sauermilch (Petrophysics [Physical Properties] Specialist, University of Tasmania, Australia), the hat fulfills a German tradition of giving the graduate a cap made by the Ph.D.’s fellow students. (Credit: William Crawford, IODP JRSO) [Photo ID: exp367_075]