Ice Core

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2026-06-04 19:02:45 -

Ice Core

The ice core came out of the storage freezer at 8:00 on a Tuesday in March 2008. It was a standard Greenland sample, drilled at a depth corresponding to roughly 10,000 years before present. It was two meters long, wrapped in insulated foil, and labeled with a barcode and a number: GRL-2007-447. Dr. Karen Voss was alone in the lab. She had come in early—earlier than usual—because she had a...

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