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00:02:12
From atop the Greenland Ice Sheet, Kristin Poinar, a graduate student at the University of Washington, describes observing first-hand the sudden rapid draining of a huge glacial lake.

00:01:52
From atop the Greenland Ice Sheet, Chris Linder, a photographer from Woods Hole Oceanographic Institution, describes observing first-hand the sudden rapid draining of a huge glacial lake.

00:00:45
The Jakobshavn Isbræ is among the fastest-moving glaciers in the world. The Jakobshavn is an outlet glacier, one of the few places where the giant Greenland ice sheet can shed ice in the form of gigantic icebergs. This timelapse video (60x real-time speed) from glaciologist Mark Fahnestock shows one of these massive calving events. Notice the dark blue ice that surfaces when the iceberg flips over in the ice-choked Ilulissat icefjord.

00:03:11
Glaciologist and Ice Stories correspondent Nadine Quintana Krupinski gives us a brief tour of her deep field camp on the West Antarctic Ice Sheet.

00:02:08
Penn State University glaciologist Dr. Richard Alley explains why ice is cool.