单词:oral argument
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The Blurry World Underwater When you open your eyes underwater, things look blurry, but with goggles, everything looks perfectly clear. Why cant we landlubbers focus underwater without goggles? First, we need to explore how our eyes focus when were h
Environmentalists claim the drilling could contaminate New York's unfiltered drinking water sources with dangerous chemicals and radioactivity Carolyn Weaver | New York 24 December 2009 Photo: Sabine Aronowsky Manhattan borough president Scott String
Whales, seals and walruses stay warm in chilly water because they have a thick layer of blubber. We humans rely on something like blubberneoprene rubber wet suitsto spend time in cold water. But the thick versions for really icy water are heavy and u
As these robot submarines accomplish great missions, the possibility of one day melting our way into Europas deep ocean is moving from fiction toward fact. Lets just imagine, there were on a little spacecraft with the capability to melt to the ice, w
WILLIAM BRANGHAM: For more on how fire officials are coping with these many fires, we turn to Ron Dunton. He's with the Bureau of Land Management. And he is helping coordinate fire response at the National Interagency Fire Center in Boise, Idaho. Ron
Will shale gas be able to quench the energy thirst of the world's second largest economy? According to the Geological Survey of China, it may be too early to tell, but a plan is certainly now in motion. The newly released China Shale Gas Resources Su