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Audio Slide Show: Pilots Scale Alaska Glacier to Find Wreckage of Northwest Airlines Flight 4422

Half a century after Northwest Airlines Flight 4422 slammed into the side of 4,950-meter Mount Sanford in eastern Alaska's Wrangell Mountains, killing all 30 men on board, commercial pilots Kevin McGregor and Marc Millican found the wreckage embedded in a glacier. After searching fruitlessly for the debris from the air, McGregor and Millican undertook several arduous treks on foot on the glacier

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Making Cement The Way Coral Does It: Out Of Thin Air

The creation of cement is an incredibly polluting process, but Stanford scientist Bret Constanz has found a way to mimic the way coral works, by creating cement from CO2 and water.

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Crops with deeper roots capture more carbon, fight drought: study

By David Fogarty SINGAPORE (Reuters) - Creating crops with deeper roots could soak up much more carbon dioxide from the air, help mankind fight global warming and lead to more drought-tolerant varieties, a British scientist says in a study. [More]

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