January 31, 2008 | ![]() |
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New Threat To Lake Victoria![]() Two hydroelectricity dams appear to be threatening the health of Lake Victoria - and of the people living along its shores who depend on the lake for food. A new study suggests that the dams' systematic overuse of water has decreased the lake level by at least two meters between 2000 and 2006 - and that this drop was not influenced by weather. The study by Yustina Kiwango of Tanzania Natio ... more Malawi's flood disaster set to get worse: govt official ![]() Rising floodwaters devastating the crops, livestock and infrastructure across half the coutry and menacing more than 73,000 Malawians are going to get worse, government officials said Wednesday. "It's getting worse in Malawi because it is raining everyday," said Lilian Ng'oma, a senior official in the disaster management ministry. "We expect more rains and more flooding this year. ... more Analysis: NATO begins pandemic monitoring ![]() NATO recently became the latest agency, and the first military one, to sign up for the Global Public Health Intelligence Network, an international initiative that monitors media and other open-source material 24/7 for signs of emerging pandemics and other public health disasters. The network, based in Ottawa and known by its initials GPHIN, is an "early-warning system using media to ... more Warmer seas boosted hurricane frequency by 40 percent: study ![]() Warmer seas accounted for 40 percent of a dramatic surge in hurricanes from the mid-1990s, according to a study released on Thursday by the British journal Nature. The paper -- the first to calculate the precise contribution of sea temperatures in driving hurricane frequency -- could be a major contribution to scientists struggling to understand impacts from global warming, its authors say. ... more Snow blankets Jerusalem in Mideast freeze ![]() Blankets of snow brought the Holy City of Jerusalem and other cities across the Middle East grinding to a halt on Wednesday as icy weather conditions gripped the mainly desert region. Snow blocked roads to the Jordanian capital Amman and schools, universities and banks were shut in the desert kingdom, while freezing winds swept through the Mediterranean island of Cyprus and severe storms ... more |
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![]() ![]() Midwestern farming has introduced the equivalent of five Connecticut Rivers into the Mississippi River over the past 50 years and is adding more carbon dioxide annually into its waters, according to a study published in Nature by researchers at Yale and Louisiana State universities. "It's like the discovery of a new large river being piped out of the corn belt," said Pete Raymond, lead aut ... more Scientists Hunt For The Roots Of The Modern Potato Using DNA ![]() More than 99 percent of all modern potato varieties planted today are the direct descendents of varieties that once grew in the lowlands of south-central Chile. How Chilean germplasm came to dominate the modern potato-which spread worldwide from Europe-has been the subject of a long, contentious debate among scientists. While some plant scientists have maintained that Chilean potatoes were ... more Analysis: Venezuela expands influence ![]() Venezuelan President Hugo Chavez recently announced his country's decision to build a refinery on the Caribbean island of Dominica, part of his effort to further integrate the region's energy supplies. Chavez said Dominica's refinery would be a jumping-off point for distributing Venezuelan oil to other eastern Caribbean countries. The capacity of the proposed refinery was not a ... more Outside View: Oil firms boom on Iraq war ![]() As ExxonMobil prepares to celebrate what could be a record profit of more than $10 billion for the last quarter of 2007, jubilant company officials and stockholders might want to join in a moment of silence for the more than 1 million war dead in Iraq -- Iraqi and American combined. They paid the ultimate price in a war in which ExxonMobil has had a hand and which we can estimate is responsibl ... more Nuclear, solar and geothermal energy pushed at Philippine summit ![]() The Philippine government should seriously consider other sources of energy such as nuclear, solar and geothermal rather than rely on oil, an energy summit in Manila was told Wednesday. "We must have a common and sustainable programme of energy development from a variety of available and indigenous sources... at a cost which will make us more competitive in the world market," congressman Jua ... more |
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![]() ![]() Fourteen Russian long-range bombers flew over the north Atlantic on Tuesday in the last of a series of military manoeuvres held off Europe's coasts since December, news agencies reported. "Pilots will work on questions of reconnaissance, launching rocket and bomb strikes on enemy naval formations and taking part in aerial battles and air patrols," air force spokesman Alexander Drobyshevsky w ... more Military Matters: Rebuilding states ![]() For centuries, continental wars that included Britain tended to follow a pattern. The British would send an army to the continent; it would be defeated by the French or Germans; the British would withdraw to their island; and their triumphant European enemy would draw up a superior force on the French or Dutch Channel coast. There was little doubt about the outcome, should that army land in Br ... more Making (Accurate Predictions Of) Waves ![]() A new review of tsunami hazards concludes that the 2004 catastrophe was far from the worst possible in many Indian Ocean borderlands - and notes that warning systems to guard at-risk populations are still lagging. Costas Synolakis, director of the University of Southern California Tsunami Research Center is co-author of "Far-Field Tsunami Hazard From Mega-Thrust Earthquakes in the Indian Ocean ... more Baffin Island Ice Caps Shrink By 50 Percent Since 1950S ![]() A new University of Colorado at Boulder study has shown that ice caps on the northern plateau of Baffin Island in the Canadian Arctic have shrunk by more than 50 percent in the last half century as a result of warming, and are expected to disappear by the middle of the century. Radiocarbon dating of dead plant material emerging from beneath the receding ice margins show the Baffin Island ... more Telepathic Genes ![]() Genes have the ability to recognize similarities in each other from a distance, without any proteins or other biological molecules aiding the process, according to new research published in the Journal of Physical Chemistry B. This discovery could explain how similar genes find each other and group together in order to perform key processes involved in the evolution of species. ... more
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