Crackling pretzels
Editor’s note: Marine geophysicist Robin Bell is leading an expedition to Antarctica to explore a mysterious mountain range beneath the ice sheet. Following is the tenth of her updates on the effort as part of ScientificAmerican.com‘s In-Depth Report on the "Future of the Poles." McMURDO STATION, ANTARCTICA—I expected to find a piece of machinery snapping [...]
Keep reading »Audacious Plans, Nasty Weather
Editor’s note: Marine geophysicist Robin Bell is leading an expedition to Antarctica to explore a mysterious mountain range beneath the ice sheet. Following is the ninth of her updates on the effort as part of ScientificAmerican.com‘s in-depth report on the "Future of the Poles." McMURDO STATION, ANTARCTICA–Sometimes I wonder why we were so audacious [...]
Keep reading »Arctic Sea Ice Reaches New Low
August 27th, 2012 |
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The cap of ice that sits atop the North Pole has shrunk to a record extent—and there is likely still more melting to come before the end of the summer of 2012. As of August 26, Arctic sea ice extent had shrunk to 4.1 million square kilometers, below the previous record minimum of 4.17 million [...]
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