Open Science Conference to focus on regional sustainability challenges to the Earth system
...ncentration of greenhouse gases, especially carbon dioxide (CO2), in the atmosphere and on the carbon cycle in general. ESSP research on the global carbon system aims to create a better scientific understanding of the carbon cycle itself, as well as a common, mutually accepted knowledge base to support polic...Grant to UA makes Kartchner Caverns a Microbial Observatory
...e, whether water is dripping, the amount of carbon dioxide present and how much visitation the area receives. So the team will collect microbes from a range of microhabitats by using the same kind of cotton swabs doctors use to collect throat cultures. The researchers will swab speleothems and also mud, bat ...ACS News Service Weekly PressPac -- October 11, 2006
... alternative disinfectants such as ozone, chlorine dioxide and chloramines to minimize formation of DBPs. The alternative disinfectants minimized formation of some regulated DBPs. However, researchers found higher levels of other regulated and unregulated DBPs in water from plants using alternative disinfect...Marine life stirs ocean enough to affect climate, says FSU study
...hen large, sustained plant populations gulp carbon dioxide from the atmosphere during grand-scale photosynthesis. But along with the new calculations that point to the marine biosphere's bigger-than-expected role in ocean mixing and climate control, Dewar and his colleagues also suggest that human and env...Northern bogs may have helped kick-start past global warming
...scule air bubbles that reveal the amount of carbon dioxide and methane gas in the atmosphere and provide information on surface temperature at any given time in the past. Peat bogs sequester vast amounts of carbon by preventing plant material from decaying aerobically -- that is, with oxygen. Today, these ...Shrinking ponds signal warmer, dryer Alaska
... climate because it enhances the release of carbon dioxide by exposing soil carbon to aerobic decomposition. "Alaska is important in terms of waterfowl production and if you have a lowering of the water table that could have a potentially huge impact on waterfowl production," said Dave Verbyla, co-author a...Giant insects might reign if only there was more oxygen in the air
...sport oxygen. They take in oxygen and expel carbon dioxide through holes in their bodies called spiracles. These holes connect to branching and interconnecting tubes, called tracheae, Kaiser explained. Whereas humans have one trachea, insects have a whole tracheal system that transports oxygen to all areas...Researchers develop technologies to devour food pathogens
...ent technology. A second innovation uses chlorine dioxide gas to kill pathogens on produce, fresh fruits and...st in Bhunia's technology, as well as the chlorine dioxide work done by Linton and the project's co-leader, Mark Morgan, a professor of food science. "We are ...Sequencing of the oyster mushroom genome
...us is a model for studying the CO 2 cycle carbon dioxide being one of the principal gases of the greenhouse effect and holds great potential for use in bioremediation biodegradation of contaminants , reasons why, together with other crops such as the yucca or cotton, it has been chosen for genome sequenci...Explaining the methane mystery
... second most important greenhouse gas after carbon dioxide and is estimated to have been responsible for a fifth of the enhanced greenhouse effect over the past 200 years. In addition to emissions from natural wetlands and many other natural sources, human activities including agriculture and the mining and ...New scientific challenges and goals for ESA's Living Planet Program
...ironment. For example, our understanding of carbon dioxide as a greenhouse gas, and the strong link between atmospheric carbon dioxide concentrations and temperature both point to human activity leading to a warmer world, unlike anythi...ACS News Service Weekly PressPac -- Sept. 20, 2006
...onal modified atmosphere mixture of oxygen, carbon dioxide and nitrogen gas. "The usefulness of the present work is obvious and finds immediate application in the food industry," the researchers reported. ARTICLE #4 FOR IMMEDIATE RELEASE "Stabilization of Beef Meat by a New Active Packaging Containing Natur...MBL scientists to present results of long-term ecological research at NSF meeting
...etts estuary, and a new method of assessing carbon dioxide flux from a temperate Massachusetts forest are among the topics to be presented by MBL (Marine Biological Laboratory) Ecosystems Center scientists at the 6th Long-Term Ecological Research All-Scientists Meeting, sponsored by the National Science Foun...The first tree genome is published: Poplar holds promise as renewable bioenergy resource
...f atmospheric carbon. Trees store captured carbon dioxide in their leaves, branches, stems, and roots. This ...e soil. Moreover, bioenergy crops re-absorb carbon dioxide emitted when biofuels are consumed, creating a cycle that is essentially carbon neutral." Poplar's ...High-value chemicals produced from ethanol feedstocks could boost biorefinery economics
...d chips. That process would use an alcohol-carbon dioxide mixture, followed by depolymerization and dehydrat...properties. Gas-expanded liquids, such as carbon dioxide in methanol, provide a flexible solvent whose properties can be adjusted by changing the pressure. ...After insects attack, plants bunker sugars for later regrowth
...y to carbon, too, which is assimilated from carbon dioxide during photosynthesis. As important energy source, carbon is commonly stored as sugar or starch. The scientists found that molecules in the oral secretions of Manduca sexta larvae activate the downregulation of the expression of a protein kinase acti...Global changes alter plant growth schedule
... but when we increased the concentration of carbon dioxide to mirror conditions 50 years from now, these two groups flowered at the same time," said Elsa Cleland, lead author with the Jasper Ridge Global Change Experiment at Stanford University and the Carnegie Institution's Department of Global Ecology.* Th...Global changes alter the timing of plant growth, scientists say
... but when we increased the concentration of carbon dioxide to simulate future conditions, the two groups flow...sed to find differing responses to elevated carbon dioxide and nitrogen deposition: Wildflowers responded to these changes by flowering earlier, while the gras...UA strengthens commitment to Arctic research
...sea ice, specifically the redistribution of carbon dioxide by sea ice Principal: Hajo Eicken, Geophysical Institute/College of Natural Sciences and Mathematics Who: Sarah Mincks, oceanography, University of Hawaii, Manoa Research: The biodiversity, behavior and reproduction of animals that live on t......ly important role in regulating atmospheric carbon dioxide and the world's climate. This area of the ocean is the largest natural source of carbon dioxide to the atmosphere. "We concluded that nitrogen is the primary element missing for algae growth and...