UCF scientists' molecular discovery could help drugs target unhealthy cells
...ate molecule (anthraquinone) to pick up two carbon dioxide atoms and carry them in a specific direction on a flat copper surface. Their discovery helps scientists understand how they someday may be able to attach therapeutic drugs to molecules. "It's significant because we wouldn't expect atoms to move tha...'Speechless' and 'Mute' help break the silence of the leaves
...en open, stomata allow the plant to take in carbon dioxide gas needed for photosynthesis and allow moisture to evaporate, pulling water from the roots into the plant. But when too much moisture is being lost, the two cells around the stomatal pore close it completely. Without the genes guiding stomatal deve...Canada's new government launches ecoEnergy technology initiative
...proach built on key priorities that include carbon dioxide sequestration, clean coal, clean oil sands production and renewable energy. Priorities will be further developed with provinces and industry partners through consultations. ...Training breathing muscles improves swimming muscles' performance
...re-breathing bag insured that the amount of carbon dioxide in the blood was held constant, in spite of the hyperventilation during the training. During PRMT, subjects performed a series of 10-second breath-holds, with 90-second rest periods between breath-holds, using the same equipment as in RRMT and ERMT...How trees manage water in arid environments
...acterize the surface exchanges of water and carbon dioxide in a forest in the Santa Catalina Mountains near Tucson, Ariz. Mountain forests are an important source of water for the rest of such semi-arid regions, and these forests provide relatively isolated conditions where scientists can get a clearer pictu...NASA data helps pinpoint wildfire threats
...pe and environment, including the amount of carbon dioxide released into the atmosphere. As the data record from recent satellites continues to grow, scientists will also be able to better track historical changes that might modify fire danger to provide better information for decision makers....Experts advise world policies to cope with causes, rising consequences of creeping desertification
... Sequester up to 1.9 billion metric tons of carbon dioxide each year from the global atmosphere (and curb the 1 billion metric tons of carbon emitted through soil erosion); Improve water resources; Enhance biodiversity within soils as well as the plants and animal worlds; and Diminish the health r...Soil nutrition affects carbon sequestration in forests
...to increasing atmospheric concentrations of carbon dioxide (CO2), the major greenhouse gas driving climate ch...a role in mitigating the elevated levels of carbon dioxide associated with climate change," says Johnsen. "To predict how much forests can sequester, we need a...Study reveals clean air challenge for major Asian cities
... an increase in emissions. Emissions of nitrogen dioxide and fine particulate matter, mainly from the trans...nagement. They have achieved reductions in sulphur dioxide emissions but have the challenge of addressing transport-related emissions. Dhaka, Hanoi, Sura...Identification of carbon dioxide receptors in insects may help fight infectious disease
...toes dont mind morning breath. They use the carbon dioxide people exhale as a way to identify a potential foo...er. "The neurons in insects that respond to carbon dioxide were already known, but the molecular mechanism by which these neurons sense this gas was a mystery....Drop in acid rain altering Appalachian stream water
...ivity in the ecosystem and hiking dissolved carbon dioxide in forest streams. "These are unexpected results,"...hydrology at Penn State. "Rising amounts of carbon dioxide in streams and soil could have implications for the forest ecosystem, and the carbon balance in gene...American Chemical Society's Weekly PressPac -- December 6, 2006
...anges carbohydrates, fats and proteins into carbon dioxide and water to generate energy. Scot T. Martin and Xiang V. Zhang explain that a reverse version of the cycle, which makes enzymes and other biomolecules from carbon dioxide, has been getting attention from scientists studying the origin of life. If...A window on the environment from Tahoe to the ocean
...from the deep ocean, drawing to the surface carbon dioxide and nutrients that create some of the world's most...at move inland, carrying water and trapping carbon dioxide and tiny particles in the air. Researchers want to understand more about how fluctuations in upwelli...Ancient climate change may portend toasty future
...en more dire. The methane would have become carbon dioxide in the atmosphere within decades. The research ind...sers will be in the next go round"" "Our carbon dioxide emissions are risking biological, chemical, and climate changes of a magnitude that has not been see...Mixed prairie grasses are better biofuel source, U of M study says
...lants can reduce global warming by removing carbon dioxide from the atmosphere. Even when grown on infertile ...d using them actually reduces the amount of carbon dioxide (a greenhouse gas) in the atmosphere. This is because prairie plants store more carbon in their root...Global warming of the future is projected by ancient carbon emissions
... plant material then climate sensitivity to carbon dioxide is more than 4.5F (2.5C) per carbon dioxide doubling. And if methane was the culprit, then Earths climate must be extremely sensitive to carbon...Scientists learning to create nanomaterials based on micro-algae patterns
... cell wall comes from amorphous silica, or silicon dioxide (SiO2) -- virtually the same material as glass. Diatom cell walls show an enormous diversity in form, most of them amazingly beautiful and ornate, depending on specific biomolecules produced by the diatom, Krger explained. Previous research has s...Global warming is reducing ocean life, increasing atmospheric carbon dioxide, say scientists
...e depends on the consumption of atmospheric carbon dioxide by these plants. Reduced phytoplankton means less carbon dioxide is taken up by the ocean, which could speed global warming, contributing to a vicious cycle of incre...Global warming will reduce ocean productivity, marine life
...osynthesis on Earth, a process that removes carbon dioxide from the atmosphere and converts it into organic c...iology influences climate. Rising levels of carbon dioxide in the atmosphere are a key part of global warming, Behrenfeld said. This study shows that as the cl...A chilling solution: Measuring below-ground carbon without destroying trees
...es Fahrenheit through the tubing, measuring carbon dioxide efflux from the soil to determine if carbon moveme... chilling and girdling rapidly reduced soil carbon dioxide efflux, showing that both techniques stop or reduce the movement below ground of carbon recently pro...