December 13, 2007 | ![]() |
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Walker's World: Russia's modern czar![]() Russia's next president, Dmitri Medvedev, known to his friends as Dima, is a fan of the rock groups Deep Purple, Led Zeppelin and Black Sabbath. He swims a mile every day, and he is very flattered when anyone tells him he looks the spitting image of Russia's last czar, Nicholas II. And now that President Vladimir Putin has named Medvedev as the preferred successor, Medvedev at 42 will b ... more Grim harvest for Australian farmers ![]() Ask Stephen Lander what is helping Australian farmers survive the worst drought in living memory and he smiles before revealing the secret: "An understanding bank manager." "You will find that 80 to 90 percent of farmers are all living on borrowed money," he explains at the hot and dusty property he has worked for decades in the baking dry central west of New South Wales. As the worst dr ... more Arctic Expeditions Find Giant Mud Waves And Glacier Tracks ![]() Scientists gathering evidence of ancient ice sheets uncovered a new mystery about what's happening on the Arctic sea floor today. Sonar images revealed that, in some places, ocean currents have driven the mud along the Arctic Ocean bottom into piles, with some "mud waves" nearly 100 feet across. Around the world, strong currents often create a wavy surface on the ocean bottom. But scientists pre ... more After centuries of keeping water out, the Dutch now letting it in ![]() For centuries the low-lying Netherlands has fought to reclaim land from water by creating polders. Now, with flood risk increasing thanks to climate change, it is giving the land back. As politicians and experts from around the world gather in Bali this week to discuss climate change and the problems of projected rising sea levels and extreme weather, the Dutch are already changing the way t ... more Walking Tall To Protect The Species ![]() The transition from apes to humans may have been partially triggered by the need to stand on two legs, in order to safely carry heavier babies. This theory of species evolution presented by Lia Amaral from the University of Sao Paulo in Brazil has just been published online in Springer's journal, Naturwissenschaften. For safety, all nonhuman primates carry their young clinging to their fur ... more |
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![]() ![]() Natural climate variations, which tend to involve localized changes in sea surface temperature, may have a larger effect on hurricane activity than the more uniform patterns of global warming, a report in this week's Nature suggests. In the debate over the effect of global warming on hurricanes, it is generally assumed that warmer oceans provide a more favorable environment for hurricane develop ... more Adopting New Technology In The Burdekin ![]() A new research project in the Burdekin region of Queensland is investigating what influences the region's graziers to adopt new techniques and practices. The joint project between CSIRO, James Cook University and Meat and Livestock Australia (MLA) aims to assist graziers to take advantage of advances related to livestock production. "The rate of uptake of new ideas and technical advances a ... more Wind Turbines Produce Green Energy - And Airflow Mysteries ![]() Using smoke, laser light, model airplane propellers and a campus wind tunnel, a team led by Johns Hopkins University researchers is trying to solve the airflow mysteries that surround wind turbines, an increasingly popular source of "green" energy. The National Science Foundation recently awarded the team a three-year, $321,000 grant to support the project. The rise in oil prices and a gro ... more Fuel Cells Help Make Noisy, Hot Generators A Thing Of The Past ![]() Two core technologies developed at the Department of Energy's Pacific Northwest National Laboratory - a fuel desulfurization system and a fuel reforming system - were instrumental in the demonstration of an electric power system operating on JP-8, a fuel commonly used in military operations. Portable fuel cell power units are quieter, more efficient and have lower emissions than standard d ... more Wind Power Explored Off California's Coast ![]() In many ways, wind energy seems an ideal energy source. Fields of mighty turbines spinning in rhythm could harness carbonless power and shuttle it off to homes and industries. But questions remain about the feasibility of wind parks: How much will they cost? Can this unpredictable energy source be relied upon to contribute appreciably to the country's power needs? A team of Stanford resear ... more |
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![]() ![]() Japan's Honda Motor Co. on Tuesday unveiled a new, smarter version of its ASIMO celebrity humanoid robot. The walking robots' new skills will allow them to work together in an office environment, the automaker said. The original ASIMO, born in 2000, has danced and dined with dignitaries and business leaders at home and overseas, serving as a symbol of Japanese technological wizardry. ... more Lockheed Martin Hinode Findings Explain What Powers The Solar Wind ![]() In a paper published in the journal Science, researchers -- from the Solar and Astrophysics Laboratory (LMSAL) of the Lockheed Martin Advanced Technology Center (ATC), along with colleagues at other institutions in Colorado, Norway and Japan -- have described new observations from NASA's Focal Plane Package for the Solar Optical Telescope (SOT) on the Japanese Hinode satellite that provide furth ... more Cluster Explains The Presence Of High-Speed Ion Beams In The Magnetotail ![]() Understanding how solar material manages to reach the nightside of the Earth and flows back to Earth at high speeds is key to forecast the behaviour of the magnetic environment of the Earth and to protect space-based technologies. A recent study reveals for the first time that the tail of the magnetosphere is a place where ions can get highly accelerated simultaneously at different localized sit ... more Boeing Selected To Help Develop New USAF GPS Ground System ![]() Boeing has announced that it has been selected to participate in the development of the next-generation Global Positioning System (GPS) ground system for the U.S. Air Force. Known as OCX, the system will complement the Air Force's future GPS III spacecraft by offering better positioning service than today's system as well as improved anti-jamming capabilities for the warfighter. Boeing is ... more New Tibetan Ice Cores Missing A-Bomb Blast Markers Suggests Himalayan Ice Fields Haven't Grown In Last 50 Years ![]() Ice cores drilled last year from the summit of a Himalayan ice field lack the distinctive radioactive signals that mark virtually every other ice core retrieved worldwide. That missing radioactivity, originating as fallout from atmospheric nuclear tests during the 1950s and 1960s, routinely provides researchers with a benchmark against which they can gauge how much new ice has accumulated on a g ... more
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