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February 27, 2013

Promising New Technique for Probing Earth's Deep Interior
Washington DC (SPX) Feb 26, 2013
researchers at Amherst College in Massachusetts and the University of Texas at Austin have described a new technique based in particle physics that might one day reveal, in more detail than ever before, the composition and characteristics of the deep Earth. There's just one catch: the technique relies on a fifth force of nature that has not yet been detected, but some particle physicists think it might exist. The fifth force would be in addition to gravity, the weak and strong nuclear forces and e ... read more

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Geoengineering by coalition Solar geoengineering is a proposed approach to reduce the effects of climate change due to greenhouse gasses by deflecting some of the sun's incoming radiation. This type of proposed solution carrie ... more		Giant waves of atmospheric energy driving extreme weather The world has suffered from severe regional weather extremes in recent years, such as the heat wave in the United States in 2011 or the one in Russia 2010 coinciding with the unprecedented Pakistan ... more		How human language could have evolved from birdsong "The sounds uttered by birds offer in several respects the nearest analogy to language," Charles Darwin wrote in "The Descent of Man" (1871), while contemplating how humans learned to speak. Languag ... more
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				Maize part of coastal Peru diet for 5,000 years For decades, archaeologists have struggled with understanding the emergence of a distinct South American civilization during the Late Archaic period (3000-1800 B.C.) in Peru. One of the persistent q ... more		China lawyer appeals 'state secret' pollution claim A Chinese lawyer has appealed against an official refusal to release the results of a national soil pollution survey on the grounds that it was a "state secret", he told AFP on Wednesday. ... more

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