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Spur-of-the-moment spacewalk a first for NASA, space station

2013-05-11 21:12:39| CNET News.com

An impromptu spacewalk triggered by the sight of ammonia flakes drifting past a window of the International Space Station wraps up with a replaced pump and a plan for "additional detective work." [Read more]    

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NASA Mission To Study What Disrupts Radio Waves

2013-05-10 09:22:29| rfglobalnet Home Page

A NASA-funded sounding rocket mission will launch from an atoll in the Pacific in the next few weeks to help scientists better understand and predict the electrical storms in Earth's upper atmosphere These storms can interfere with satellite communication and global positioning signals.

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Africa: Rain Will Get Extreme Due to Global Warming, Says Nasa Study

2013-05-07 09:59:00| Climate Ark Climate Change & Global Warming Newsfeed

New Vision: A NASA-led study provides new evidence that global warming may increase the risk for extreme rainfall and drought. The study shows for the first time how rising carbon dioxide concentrations could affect the entire range of rainfall types on Earth. Analysis of computer simulations from 14 climate models indicates wet regions of the world, such as the equatorial Pacific Ocean and Asian monsoon regions, will see increases in heavy precipitation because of warming resulting from projected increases...

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Climate change will increase extreme rainfall; drought, NASA says

2013-05-06 02:02:00| Climate Ark Climate Change & Global Warming Newsfeed

GlobalPost: A new report by the US space agency NASA says that temperate regions will experience more drought while the tropics more extreme rains in the future. Enlarge Indian commuters make their way during a downpour in Amritsar on July 27, 2009. NASA scientists claim in a new study that temperate regions will experience more drought while the tropics more extreme rains in the future due to climate change. (Narinder Nanu/AFP/Getty Images) What do you think? Climate change will increase extreme rainfall...

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NASA: Warming Climate Likely Means More Floods, Droughts

2013-05-03 20:24:00| Climate Ark Climate Change & Global Warming Newsfeed

National Public Radio: The Earth's wettest regions are likely to get wetter while the most arid will get drier due to warming of the atmosphere caused by increased levels of carbon dioxide, according to a new NASA analysis of more than a dozen climate models. Scientists ran simulations of 14 different models, starting with CO2 concentrations at about 280 parts per million, which is similar to preindustrial levels but well below the 400 parts per million today. The amount of carbon dioxide was then bumped up by 1 percent...

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