Scientists find key to ocean bacterium that helps control greenhouse gas
...ave about the same amount of carbon dioxide in the atmosphere as is produced by fossil fuel burning each year. Therefore, understanding what factors influence this bacterium's ability to regulate carbon dioxide is crucial for humans' continued survival." Since the beginning of the industrial revolution atmosphe...Envisat focuses on carbon-rich peat swamp forest fires
...ates "the amount of extra carbon released into the atmosphere by the fires in 2002 could have been in the range of 200 million to a billion tonnes". That's less than 1997-8, but even the low-end estimate is much more than the UK's entire annual carbon emissions, underscoring the need for further study of this ...Increasing carbon dioxide relieves drought stress in corn, researchers say
...HAMPAIGN, Ill. -- Increasing carbon dioxide in the atmosphere will benefit photosynthesis in U.S. corn crops in the future by relieving drought stress, say researchers at the University of Illinois at Urbana-Champaign. According to preliminary findings of a new study -- being released this week in Hawaii during...17-year study confirms that lead in the soil descends slowly
...most of the 20th century, people added lead to the atmosphere primarily by burning leaded gasoline, which eventually settled to the earth. High elevation forests, such as the one at Camel's Hump, are good environmental indicators because they are very sensitive to atmospheric and climate conditions, and they ef...Science Picksleads, feeds and story seeds (July 2003)
...e earth. The changes in barometric pressure in the atmosphere are very small compared to the forces in the crust, and the effect of the barometric pressure does not reach beneath the soil....City-grown air pollution is tougher on country trees
...- which occurs in high concentrations in the urban atmosphere -- destroying ozone once it has formed. As new NO...y low in most rural areas, so ozone remains in the atmosphere there and plants' exposure period to the harmful gas is extended. (Although one-hour peak ozone exp...Searching for the 'real' waterworld
...entire world to a depth of 100 kilometres, with an atmosphere on top of this. With twice the radius of the Earth, they will be easily spotted by the Eddington spacecraft, which is designed to detect planets down to half the size of the Earth. "A waterworld passing in front of a star, somewhat cooler than the S...Researchers gather at Smith College for science 'boot camps'
... long hours, "but we work very hard at keeping the atmosphere fun." Fifty attendees per session work in pairs on experiments that include construction of genomic and cDNA libraries, purification of DNA and RNA, DNA sequencing, cloning strategies, quantitative PCR and other subjects. "We try to give them all the...New clues emerge about the fate of smog in Sierra Nevada forests
...growth of aerosols. "We care about aerosols in the atmosphere because they can affect human health and visibility," said Allen Goldstein, associate professor of biogeochemistry at UC Berkeley's College of Natural Resources and principal investigator of the study. Aerosols also potentially impact climate by incr...No detectable risk from mercury in seafood, study shows
...e that about half the mercury in the Earth and its atmosphere originates from natural sources such as volcanoes, and about half comes from man-made sources. People receive most of their mercury exposure by eating ocean fish like tuna, swordfish and shark. The fish eaten by women in the Seychelles had approxima...Destination Deadhorse...and beyond
...ts they carry. One project will examine the arctic atmosphere to measure mercury levels to understand the controls of sea ice over atmospheric mercury deposition. This will contribute to our understanding of "Arctic haze" (believed to be composed of industrial pollution from lower latitudes) and the health of m...Energy department awards $9 million for energy-related genomic research
...logical methods to capture carbon dioxide from the atmosphere and to produce hydrogen. The department will fund IBEA, headed by J. Craig Venter, Ph.D., $3 million per year for the next three years. This is in addition to the current three-year Department of Energy (DOE) grant to IBEA of $1 million per year. "Cr......trophic balance have a central part to play in the atmosphere depending on the linear scales observed. It is the deviations from these balances, however, which are of interest in weather forecasting. Rupert Klein studied mechanical engineering at RWTH Aachen, specialising in "Fundamental Principles of Mechanic...Fire frequency determines forest carbon storage
... to lower or raise levels of carbon dioxide in the atmosphere depends on how these carbon reserves respond to, a...th the atmosphere. Carbon is transferred from the atmosphere to the forest through the process of photosynthesis. Carbon is returned to the atmosphere through th...Boulder chemist wins national award for studies of atmosphere
... I carried out a study of what would happen to the atmosphere if there were nuclear war," he said. "So we discovered there could be enough smoke and other atmospheric debris generated in the aftermath to clog the atmosphere, block the sun's rays and cause a significant drop in temperature." He currently works o...Early Mars: Warm enough to melt water?
...s impacted the planet. The impacts would warm the atmosphere and melt water trapped in underground and surface ...s, before enough carbon dioxide accumulated in the atmosphere to warm things up, the carbon dioxide would condense into dry ice clouds and eventually there would ...Cell density determines extent of damage caused by cigarette smoke exposure
...ented. Cells were cultured at 37C in a humidified atmosphere of 5 percent CO2 and passaged once a week at a 1:3 ratio. Fibroblasts were used between the 14th and 20th passages. Cell suspensions, routinely added last, were added to achieve several fibroblast cell densities. To investigate the effect of anti-T...UC Riverside receives $1.25 million from W. M. Keck Foundation
... physical sciences under one umbrella to create an atmosphere favorable for multidisciplinary research. Plant disease such as Pierce's Disease, which threatens California's grapevines, and exotic insects such as the olive fruit fly, one of the most damaging pests of the olive in southern Europe, North Africa a...American Physical Society March Meeting 2003
...ectrodes (B8); global infrasound monitoring in the atmosphere for studying volcanoes and weather (paper H3.2); assessing the value of physics research to the economy (session S2); superfluid gyroscopes (G4.2); single-molecule LEDs (P11.3); quantum cellular automata (P19.4); cerebral synchronization (N15.12); ar......bstract/PRL/v89/e288103 6) Hot spots in Venusian atmosphere V. P. Goncharov, V. M. Gryanik, V. I. Pavlov Physical Review E (Print issue: December 2002) The atmosphere of Venus sustains localized "hot spots" unlike Earth's. Models of these hot spots show they are vort...