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Inside an Antarctic time machine: Lee Hotz on TED.com

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Science columnist Lee Hotz describes a remarkable project at WAIS Divide, Antarctica, where a hardy team are drilling into ten-thousand-year-old ice to extract vital data on our changing climate. (Recorded at TEDGlobal 2010, July 2010 in Oxford, UK. Duration: 9:45) [ted id=938] Watch Lee Hotz’ talk on TED.com where you can download it, rate it, []