May 05, 2008 | ![]() |
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United We Stand: When Cooperation Butts Heads With Competition![]() Phrases such as "survival of the fittest" and "every man for himself" may seem to accentuate the presence of political and social competition in American culture; however, there obviously are similar instances of inter- and intra-group conflict across almost all known organisms. So what makes competition so prevalent for life and why does it sometimes seem to be preferred over cooperation? ... more Stonehenge excavation may alter history ![]() A new excavation of Stonehenge may alter historians' concept of the British landmark site's purpose, researchers say. By studying a set of unusual stones linked to the historical site, a team of archaeologists are attempting to prove Stonehenge was not an ancient burial site, but actually a temple of healing, the Los Angeles Times reported Saturday. Wessex Archaeology researcher ... more Oxygen depletion threatens ocean habitats: study ![]() Oxygen-depleted regions of tropical oceans are expanding, restricting habitats for fish and other marine life, an international team of scientists said in a study published Thursday. The researchers found that oxygen levels at 300 to 700 meters (985 to 2,300 feet) have declined significantly over the past five decades. "The ecological impacts of this increase could have substantial ... more Myanmar cyclone kills at least 351 ![]() At least 351 people were killed and nearly 100,000 left homeless when tropical cyclone Nargis tore through Myanmar, razing thousands of buildings and knocking out power lines, state media said Sunday. Residents awoke Sunday to scenes of devastation after the cyclone bore through swathes of southern Myanmar late Friday and Saturday, uprooting trees, cutting phone lines and water pipes ... more Dynamic Duo Develops Framework For Earth's Inaccessible Interior ![]() A new model of inner Earth constructed by Arizona State University researchers pulls past information and hypotheses into a coherent story to clarify mantle motion. "The past maybe two or three years there have been a lot of papers in Science and Nature about the deep mantle from seismologists and mineral physicists and it's getting really confusing because there are contradictions amongst ... more |
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![]() ![]() Bacteria that cause the bubonic plague may be more virulent than their close relatives because of a single genetic mutation, according to research published in the May issue of the journal Microbiology. "The plague bacterium Yersinia pestis needs calcium in order to grow at body temperature. When there is no calcium available, it produces a large amount of an amino acid called aspartic ... more Greenpeace welcomes move to save Indonesia's forests ![]() Environment group Greenpeace on Friday welcomed Unilever's backing of a moratorium on palm oil deforestation in Indonesia, saying the move will help save forests in the sprawling archipelago. The Anglo-Dutch food and consumer goods company announced Thursday it would aim to use only palm oil from fully traceable sources by 2015 in an effort to reduce the rapid despoiling of Indonesia's ... more Global Warming Affects World's Largest Freshwater Lake ![]() Russian and American scientists have discovered that the rising temperature of the world's largest lake, located in frigid Siberia, shows that this region is responding strongly to global warming. Drawing on 60 years of long-term studies of Russia's Lake Baikal, Stephanie Hampton, an ecologist and deputy director of the National Center for Ecological Analysis and Synthesis (NCEAS) in Santa ... more From cartels to export curbs: gov'ts act on rice prices ![]() Rationing, subsidies, price-fixing cartels, export curbs -- you name it, governments across the world are trying it out as they seek to shield their populations from the soaring price of rice. Wary of the political risk of millions of hungry people on their doorstep, some governments -- notably in Asia -- are adopting new policies, or shifting their old ones, to ease the supply crunch. ... more Environmental Fate Of Nanoparticles Depends On Properties Of Water Carrying Them ![]() The fate of carbon-based nanoparticles spilled into groundwater - and the ability of municipal filtration systems to remove the nanoparticles from drinking water - depend on subtle differences in the solution properties of the water carrying the particles, a new study has found. In slightly salty water, for example, clusters of Carbon 60 (C60) would tend to adhere tightly to soil or ... more |
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![]() ![]() The extent of ice covering the Baltic sea this winter reached an all-time low, since measurements began more than a century ago, Swedish meteorologists said. "Overall, 49,000 square kilometres (around 19,000 square miles) of the Baltic sea were covered in ice compared to the usual 180,000 square kilometres," the Swedish Meteorological Agency (SMHI) said. That was just over a quarter of ... more Analysis: New crops alter food, fuel fight ![]() As oil prices rise and food-based ethanol appears increasingly unsustainable, companies are scrambling to find new energy crops for the next generation of biofuels. The development of feedstocks to replace corn is crucial for wide-scale biofuels production, said Steve Koonin, chief scientist for BP, a global petroleum company. "If you used all the corn in the world and converted ... more 'Time to blow whistle' on China: Clinton ![]() Democratic presidential hopeful Hillary Clinton warned Saturday it was time to "blow the whistle" on China, accusing it of unfair trade practices. She stood close to a parade of closed shops and pawnbrokers in North Carolina as she vowed to turn the US economy around, despite fears of recession, and promised action to reverse a tide of industrial jobs moving abroad. "We do have to get to ... more Monsanto Company And Mendel Biotechnology Announce Cellulosic Biofuels Collaboration ![]() Monsanto and Mendel Biotechnology have announced a collaborative agreement to enhance the development of Mendel's BioEnergy Seeds and Feedstocks business. Under the terms of the agreement, Mendel will benefit from Monsanto's industry-leading expertise in the testing, breeding, and development of crops. Mendel and Monsanto have worked together on the development of biotechnology traits for ... more Analysis: Bio-based products cut emissions ![]() Bio-based materials have been in the limelight lately because of their potential as low-emissions fuels, but their ability to cut CO2 emissions extends beyond the transportation sector, experts say. Although ethanol and other biofuels receive the most media coverage for their ability to reduce gasoline consumption, companies around the world have been using them for some time as raw ... more
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