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LINCOLN, Neb. (AP) - Scientists in Antarctica spent Christmas Day finishing work that may show the effects of global warming — drilling for clues about how massive ice sheets responded to past temperature changes. The project will be vital to creating a map of how the Earth may react to higher temperatures, scientists say.
One hundred scientists from four countries are working on the Antarctic Geological Drilling Program, or ANDRILL, coordinated by the University of Nebraska-Lincoln.
They gather rock core from deep below the Antarctic sea floor, then analyze it.
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