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A new highly detailed ice core from West Antarctica has revealed a consistent pattern of climate changes that started in the Arctic and spread across the globe to the Antarctic during planet Earth's last glacial period. Representing more than 68,000-years of climate history, data extracted from this extraordinary ice core is helping scientists understand past, rapid climate fluctuations between warm and cool periods that are known as Dansgaard-Oeschger events. [Source: Desert Research Institute (Nevada System of Higher Education)]
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