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11/2/2006
Large bison herds once migrated across wide prairie lands of the western United States. Now, NASA satellite data and computer modeling are helping track the remnants of a once mighty herd in Yellowstone National Park as they migrate with the melting snowpack.
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11/1/2006
Website with images and information from an exhibition developed by the Smithsonian's Museum of Natural History.
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11/1/2006
Ever wonder what it's like to spend winter at the South Pole? Explore the Earth's most remote scientific research facility.
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10/31/2006
Arctic sea ice is on the decline, but does the dwindling icecap of the north signal real change for the Arctic and for the planet? Scientists from all over the world are keeping watch, measuring sea ice and studying what the decline means for life on Earth.
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10/5/2006
NPR interviews NSF-funded researcher Doug MacAyeal about the breakup of an icesheet in Antarctica.
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10/4/2006
Results provide further evidence that ocean circulation and chemistry respond to changes in climate.
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9/16/2006
Journals and images from the NABOS K-12 Teacher Summer School program's cruise.
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9/13/2006
In 2005 and 2006 sea ice declined on the surface of Arctic waters to record low levels. Using satellite data, scientists observed unusually warm wintertime temperatures in the region and a resulting decline in the length of the Arctic seasonal ice.
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9/13/2006
Scientists from NASA and the Canadian Wildlife Service are now reporting that the slow reduction in sea ice is forcing Arctic polar bears to fast for longer and longer periods, posing danger to their survival.
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8/1/2006
More than 1,400 students in grades 2–4 submitted artwork.
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