Research Report from the Executive Vice President & Director of Research Science Highlights Research Departments Ocean Institutes Centers       Research > Research Departments > Geology & Geophysics > Photos Geology & Geophysics Overview | Awards & Recognition | Photos Click on an image to the left to see the enlarged version. « previous next » Mea Cook, a MIT/WHOI Joint Program student in the Geology and Geophysics Department, prepares to take X-rays of a sediment core collected from the Bering Sea. X-rays reveal density changes as well as some 3-D structures—hidden clamshells or snail shells, pebbles, and disturbed sediments. Chemical analyses of these sediments help her to determine what role the Pacific Ocean could have played in rapid climate change events. (Photo by Tom Kleindinst)