September 21, 2007 | ![]() |
packed with life |
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New Microsensor Measures Volatile Organic Compounds In Water And Air On-Site![]() Researchers at the Georgia Institute of Technology have developed a miniature sensor that uses polymer membranes deposited on a tiny silicon disk to measure pollutants present in aqueous or gaseous environments. An array of these sensors with different surface coatings could be used during field-testing to rapidly detect many different chemicals. Since this new sensor allows water and a ... more Methodology Predicts Effects Of Hurricanes On Coastal Roadways ![]() More than 60,000 miles of United States roadways are in the 100-year coastal floodplain, making them vulnerable to attacks from water surges and storm waves generated by hurricanes. A new study, in the latest issue of the Journal of Coastal Research, introduces methodology that integrates state-of-the-art models as effective tools for engineering design and hurricane emergency management. ... more Change From Arid To Wet Climate In Africa Had Significant Effect On Early Human Evolution ![]() A team of scientists from around the globe has determined that a drastic change in the climate of tropical Africa may have significantly driven early human evolution. The team's findings will be published in the Sept. 4-7 installment of Early Edition, published online in the Proceedings of the National Academy of Sciences. Among the findings: A transition from a long period of time (about 135,00 ... more Weather forecasting needs huge boost to tackle climate change: WMO ![]() The UN's meteorological agency on Friday called for a multibillion dollar boost for weather forecasting, warning that about 30 percent of economic wealth was directly exposed to the impact of global warming. The World Meteorological Organisation urged the international community to pay greater attention to helping countries, especially poor nations, adapt to the extreme weather conditions as ... more Africa floods linked to 'La Nina' weather in Pacific: UN agency ![]() Severe flooding caused by torrential rains stretching across Africa is probably linked to the "La Nina" weather pattern thousands of mile away in the Pacific, a senior UN weather agency scientist said Thursday. The World Meteorological Organisation warned in July that the combination of tropical wind patterns over the Pacific Ocean and cooler than normal sea temperatures off western Latin Am ... more |
pollution:
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![]() ![]() The Japanese nuclear safety body examining the damage at the world's largest nuclear plant in Japan, hit by a powerful earthquake in July, declined to say Thursday when the plant might re-open. "At this moment, we can't say when the reactor could be restarted," said Akira Fukushima, a top official at Japan's Nuclear and Industrial Safety Agency (NISA). "What I can say now is that we have ... more Analysis: Angolan oil piques interest ![]() Angola's national oil company announced that 10 blocks will be offered for tender in a licensing round planned for late 2007, part of its efforts to capitalize on Africa's No. 2 oil reserves. The offering by Angola's state-run Sonangol E.P. will extend into early 2008 and included both onshore and offshore blocks. The state firm relies heavily on production-sharing agreements with fore ... more Analysis: Oil pollution in the Caspian ![]() The Caspian is the world's most easily accessible major oil region yet to be fully developed. Both Western nations and former Soviet republics are rushing to exploit its vast hydrocarbon wealth. Environmental issues are increasingly moving to the forefront of this exploitation. While nations bordering the Caspian piously insist that environmental worries top their list of concerns, cyni ... more Cellulose-Munching Microbe At Heart Of New Bioethanol Company ![]() The search for greener alternatives to fossil fuels has led to a major investment in a microbe that converts plant matter into ethanol. Dubbed the "Q microbe," the bacterium has been the focus of University of Massachusetts Amherst microbiologist Susan Leschine's work for the past decade. Now it's taking center stage at SunEthanol, a new Amherst-based biofuels technology company. Noted for ... more Solar Experts Gathering At ORNL For Summit ![]() Solar energy will be in the spotlight as researchers, engineers, architects and other renewable energy experts from the region convene at Oak Ridge National Laboratory Oct. 24-25 for the first Southeast Solar Summit. Among the displays will be an Arizona Public Service 5-kilowatt photovoltaic solar array that will be providing electricity to one of the laboratory buildings. The array uses Memphi ... more |
superpowers:
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![]() ![]() Egypt and Syria urged the UN nuclear watchdog on Wednesday to pass a resolution condemning Israel for possessing nuclear weapons. Israel insisted there was no basis for the resolution, scheduled to be presented on Thursday, and called upon the other member states of the watchdog International Atomic Energy Agency (IAEA) to reject the proposal. Egyptian ambassador Ihab Fawzy said the IAEA ... more Military links between Australia, Japan, US worry Russia: official ![]() Growing military cooperation between Australia, Japan and the United States is worrying Moscow, as is work on US-Japanese missile defence cooperation, a top foreign ministry official said in an interview Wednesday. "The strengthening of US-Australian-Japanese ties has got our attention.... Narrow alliances, especially tight military-political unions, are a worry," Deputy Foreign Ministry Ale ... more Yam Bean A Nearly Forgotten Crop ![]() The Yam bean originated where the Andes meet the Amazon and is locally grown in South and Central America, South Asia, East Asia and the Pacific. It is produced in three species which are called the Amazonian, Mexican and Andean. Interbreeding of the bean has resulted in fertile and stable hybrids. This gives it potential to be reclassified as a single species, provide high quality food producti ... more Greenhouse Earth: Methane powered runaway global warming ![]() Methane released from wetlands turned the Earth into a hothouse 55 million years ago, according to research released Wednesday that could shed light on a worrying aspect of today's climate-change crisis. Scientists have long sought to understand the triggers for an extraordinary warming episode called the Palaeocene-Eocene Thermal Maximum (PETM), which occurred about 10 million years after t ... more In Ladakh, glacier melt raises fears of water woes ![]() Rinchen Wangchuck remembers slipsliding his way down a glacier that stretched far down the mountains toward his village in the Nubra Valley, in India's far north, after school ended for the summer. Today, Wangchuck says that glacier is all but gone. Like him, many who live in the trans-Himalayan region of Ladakh where glaciers are a part of daily life are reporting similar disquieting ch ... more
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iceage:
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