August 30, 2007 | ![]() |
packed with life |
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MIT Probes Secret Of Bone's Strength![]() Scientists and engineers are eager to understand the secret behind bone's lightweight toughness so they can mimic it in the design of new materials, but experimental studies have revealed a number of different strength mechanisms at different scales of focus, rather than a single theory. New research from MIT appearing in the July 25 issue of Nanotechnology reveals for the first time the ... more NKorea searches for fugitives after floods: aid group ![]() North Korea has stepped up searches in border towns for people trying to flee the country after devastating floods, a South Korean aid group said Wednesday. Security officials in the communist state have been rounding up illegal travellers in a door-to-door search twice a day in border towns, Good Friends said in a report. Authorities are worried about an exodus across the China border ... more Global warming could delay next ice age: study ![]() Burning fossil fuels could postpone the next ice age by up to half a million years, researchers at a British university said Wednesday. Rising carbon dioxide levels in the atmosphere caused by burning fuels such as coal and oil may cause enough residual global warming to prevent its onset, said scientists from the University of Southampton in southern England. ... more Devastated New Orleans mourns Katrina dead two years on ![]() New Orleans Wednesday mourned the huge losses inflicted by Hurricane Katrina two years ago, as US President George W. Bush sought to dispel residents' anger vowing better days lay ahead. Scores of tiny silver hand bells tinkled, as the city's prominent Mayor Ray Nagin led a poignant memorial service to the 1,500 dead across the Gulf Coast and remembered the devastation which laid waste ... more Flooding risk from global warming badly under-estimated: study ![]() Global warming may carry a higher risk of flooding than previously thought, according to a study released on Wednesday by the British science journal Nature. It says efforts to calculate flooding risk from climate change do not take into account the effect that carbon dioxide (CO2) -- the principal greenhouse gas -- has on vegetation. Plants suck water out of the ground and "breathe" ... more |
pollution:
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![]() ![]() Venezuela's chief energy official, Rafael Ramirez, was fined recently for instructing employees at the country's state-run energy firm to support President Hugo Chavez, the latest in a series of developments that some experts say illustrates the president's quest to wrest full control of the sector. Last week Venezuela's National Election Council fined Ramirez nearly $9,000 for ... more Mohawk Chosen To Help Primetime Emmy Awards Reduce Carbon Footprint ![]() FOX and the Academy of Television Arts and Sciences have gone "Green with Emmy" by partnering to produce an eco-friendly 59th Primetime Emmy Awards broadcast. This "Green with Emmy" campaign encompasses all Emmy events with the sole purpose of reducing the carbon footprint the Primetime Emmys have on the world's climate. However, if you tune in at 8:00 pm EDT on September 16, you might ... more Enerize And FiFe Batteries Partner Up On Li-Ion Batteries For HEV Applications ![]() Enerize and FiFe Batteries have announced a partnership to develop safe, low-cost, high-energy Li-ion rechargeable batteries for various applications including hybrid-electric vehicles (HEV). These batteries will feature advanced electrode materials based on new types of TiO2 used by FiFe Batteries, as well as high conductivity/high tap density MnO2 and low cost modified natural graphite ... more Oil Imports And Oil Prices Drive US To Increase Renewable Energy Capacity ![]() Faced with rising oil imports and mounting concerns over the environment, the U.S. and Canadian governments will undertake proactive initiatives to reduce their dependency on fossil fuels. In January 2007, the U.S. House of Representatives passed the Clean Energy Act. When enforced, this legislation expects to transfer more than $14 billion from certain subsidies to investments in clean energy. ... more US casts doubt on global carbon market ![]() The US delegate to a United Nations conference on climate change cast doubt Wednesday about the creation of a global carbon market to help reduce greenhouse gas emissions. "It's unclear when and if there's going to be a global carbon market," Harlan Watson, the head of the US delegation, told a press conference in Vienna. The European Union as well as US allies such as Australia and ... more |
mars-life:
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![]() ![]() An annual US publication with a track record for accurately predicting the weather found itself at odds Monday with the government weather service over what winter is going to be like in the United States. The 191st edition of the US Farmers' Almanac, which goes on sale on Tuesday, predicts a colder than usual winter from Maine to normally warm Florida, in the eastern half of the United ... more France's washout summer fails to deter tourists ![]() It's official: France's rainy, grey and generally cold summer has been the worst for the past 30 years, the weather service said Friday, but tourist arrivals were the highest in five years. July and August were wet across two-thirds of the country while the Mediterranean region was too dry, said Frederic Nathan, meteorologist at Meteo France. "Yes we can say that it was a rotten summer ... more Discovery May Help Defang Viruses ![]() Researchers may be able to tinker with a single amino acid of an enzyme that helps viruses multiply to render them harmless, according to molecular biologists who say the discovery could pave the way for a fast and cheap method of making vaccines. "We have successfully tested this technique with poliovirus," said Craig Cameron, the Paul Berg professor of biochemistry and molecular biology at ... more The World's Oldest Bacteria ![]() A research team has for the first time ever discovered DNA from living bacteria that are more than half a million years old. Never before has traces of still living organisms that old been found. The exceptional discovery can lead to a better understanding of the ageing of cells and might even cast light on the question of life on Mars. The discovery is being published in the current issue of ... more Airplane Monitors Great Lakes Algae ![]() A rare bird has been flying over the Great Lakes recently, and it isn't migrating or searching for prey. This hawkeyed species is a Learjet aircraft outfitted with an advanced imaging system. Engineers at NASA's Glenn Research Center in Cleveland modified the plane to help the National Oceanic and Atmospheric Administration (NOAA) monitor algae in western Lake Erie and Lake Huron's Saginaw Bay. ... more
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fire:
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