Word: glaciologist
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Dates: during 2000-2009
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...long ago, Ohio State University glaciologist Lonnie Thompson was standing on the summit of East Africa's Mount Kilimanjaro, watching his drilling team bring up a cylindrical core of ice. With eyes honed by a quarter-century of experience, he saw immediately that the core's glassy surface was riddled with holes--not the little round holes formed by trapped air bubbles but gaping conduits that could have been excavated only by running water. It was not an encouraging sign...