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Crater Lurks Beneath the Ice
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Published December 2, 2018
The Hiawatha Impact Crater in northwest Greenland was detected through some creative detective work and innovative instruments that can see through the ice.
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Polar Sea Ice at Record Lows
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Published March 23, 2017
In 2017, the Arctic maximum and Antarctic minimum extents of sea ice plunged to record lows.
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An Emerald Vortex
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Published February 23, 2017
Fast-growing duckweed can leave swirls of green in Venezuela’s Lake Maracaibo.
Taking the Temperature of the Hurricane Pool
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Published June 4, 2014
Satellite measurements of sea surface temperatures provide clues to the potential for tropical cyclone development.
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