Environmental decontamination, greenhouse gases, and the genome of a methane-loving bacterium
...missions are the major source of greenhouse gases, methane is far more effective at trapping heat in the atmo...arbon dioxide levels, rising levels of atmospheric methane have been attributed to human activity, mostly in the form of landfills, natural gas and oil process...Scientists explore genome of methane-breathing microbe
... and at times redundant toolkit of genes for using methane as an energy and carbon source. Such methane-consu...ing interest in methanotrophs because their use of methane as a sole source of carbon and energy could possibly be harnessed to play an important role in effor...Bacteria use 'molecular lasso' to cop copper
...stroy about one-third of the potent greenhouse gas methane before it can reach the atmosphere use a neat tric...re these bacteria live. The bacteria sequester the methane and turn it into methyl alcohol." According to estimates made in the 1990s, the amount of methane pr...Story tips from the Department of Energy's Oak Ridge National Laboratory, September 2004
... ENERGY -- An untapped resource . . . Natural methane hydrate deposits offer a potentially vast source o...drates. Another concern is the effect discharge of methane might have on global warming. A special 17-paper August/September issue of American Mineralogist (ht...Environmental costs of home construction lower with wise choice, reuse of building materials
...searchers considered, for example, carbon dioxide, methane and nitrous oxide emissions generated during the life cycles of the homes, as well as the length of time these greenhouse gases linger in the atmosphere, to determine the global warming potential of different construction materials. They estimate the...Next best thing: wood chip bedding for cattle
...the emissions of greenhouse gases (carbon dioxide, methane and nitrous oxide) were quite similar for the two ... up the majority of total emissions, the impact of methane and nitrous oxide is actually 21 and 310 times greater, respectively, than that of carbon dioxide. T...Physicists reveal first 'nanoflowers'
...ome computers. The wires grow as a gas containing methane flows over the surface. The gas reacts at the surface of the droplets and condenses to form the wires. By changing the temperature and pressure of the growth process the wires can be controllably fused together in a natural process to form a range of...Ralph J. Cicerone nominated to be next National Academy of Sciences president
...cing of climate change, and sources of atmospheric methane and of methyl halide gases. Cicerone's research has been recognized by the American Geophysical Union with its James B. Macelwane and Roger Revelle medals, by the Franklin Institute with its Bower Award and Prize for Achievement in Science, and by th...Scientists receive awards, give lectures at the ASBMB/IUBMB meeting
...speaks on cytochrpme c oxidase and the particulate methane monooxygenase at 4:45 p.m. Monday, June 14. Dr. Ronald W. Davis of Stanford University School of Medicine, a world leader in biotechnology and recipient of this year's Herbert A. Sober Lectureship Award, will speak on the new genomic technology for...Continents played key role in collapse and regeneration of Earth's early greenhouse, geologists say
... The hot early atmosphere probably contained methane too, Lowe says. As carbon dioxide levels fell due ...ering, at some point, levels of carbon dioxide and methane became about equal, he conjectures. This caused the methane to aerosolize into fine particles, creat...Study finds evidence for global methane release about 600 million years ago
...evidence of the release of an enormous quantity of methane gas as ice sheets melted at the end of a global ic... atmosphere, and enhancing climate warming because methane is a powerful greenhouse gas. The study was published in today's issue of the journal Nature. The gl...Extraterrestrial enigma: missing amino acids in meteorites
...like electrical discharges through a fog of water, methane and ammonia all of which were thought to be readily available in Earth's early years. The experiment was proof that amino acids, out of which all life's proteins are made, can be created by strictly physical-chemical processes, without the help of l...Ultra-low oxygen could have triggered die-offs, spurred bird breathing system
...and greenhouse conditions caused by high levels of methane from intense volcanic activity are likely culprits in mass extinctions that occurred about 250 million years ago, at the boundary between the Permian and Triassic periods, and about 200 million years ago, at the boundary between the Triassic and Jura...Coal-eating bacteria may improve methane recovery
...nd lower the associated clean-up costs of coal-bed methane recovery, Lin says. To learn more about this work, see the talk given by Lin during the Division of Fuel Chemistry's "Synthetic Clean Fuels from Natural Gas and Coalbed Methane: 30 Years Progress Since the First Oil Crisis" session on Thursday, Septe......wo of the steps and made acetic acid directly from methane at 180 degrees Celsius. His research is published ...palladium, a precious metal. They introduced the methane into a solution of sulfuric acid containing palladium sulfate, heated the mixture to 180 degrees Cel...Researchers engineer low-cost hydrogen catalyst
...n as a Raney-Nickel catalyst decreased the rate of methane formation without compromising the rate of hydrogen production." Dumesic, research scientist Randy Cortright (now at Virent Energy Systems) and graduate student Rupali Davda first reported the catalytic reforming process for hydrogen production in th...Alien earthworms changing ecology of Northeast forests
...ms are increasing the amount of carbon dioxide and methane going into the atmosphere. "The leaf litter and d...and duff, they release carbon dioxide and possibly methane in their burrows," Amador said. "We're not predicting catastrophe, of course, since the total amount...Engineering a solution to waste crisis
... of soil quality; thirdly, it reduces emissions of methane the highly aggressive greenhouse gas produced by landfill disposal; and fourthly, it will help save peat beds which are threatened because of their use as a fertiliser." The composting project is one of many across several disciplines at Cardiff Un...Bacteria convert food processing waste to hydrogen
... wastewaters," says Van Ginkel. Both hydrogen and methane can be converted into electricity via fuel cells a...ose to 80% efficiency. "By extracting hydrogen and methane from their wastewaters, these plants can also reap significant savings by not needing to aerate. Aer...'Work stinks': It's more than just a slogan among ants, researchers find
...emicals that includes such well-known compounds as methane and propane. The waxy outer surface of an ant's body contains about 25 different hydrocarbons, which emit slightly different odors that are imperceptible to people, but to an ant provide important information about life in the colony. "Hydrocarbons a...