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gases in Biological News

New greenhouse gas identified

... program called the Advanced Global Atmospheric gases Experiment (AGAGE). "In AGAGE, we don't just monitor the big greenhouse gases that everybody's heard of," he says. "This ... out potential greenhouse and ozone-depleting gases before the industry gets very big." The lead ...

Iowa State researchers developing clean, renewable energy for ethanol industry

... of steam and heat. Synthesis and producer gases have been used in burners designed for natural gas and other fuels. But Kong said the biomass-based gases aren't the same kind of fuel. Biomass, for ... in the generated gases. Improperly burning gases containing ammonia could produce nitrogen oxide ...

New 'pollution radar' developed to provide unprecedented picture of urban smog

... on satellites to provide unprecedented detail of gases in the atmosphere. The researchers are also ... Population exposure to increased levels of gases and particulates requires action by public ... virtually real-time, 3D maps of atmospheric gases such as nitrogen dioxide to be constructed with ...

No quick or easy technological fix for climate change, researchers say

... injection of nanoparticles, or their precursor gases such as sulfur dioxide or hydrogen sulfide into ... heat radiation, excess atmospheric greenhouse gases trap additional heat and cause the Earth's ... idea of injecting sulfur dioxide or other toxic gases into the stratosphere in gaseous or liquefied ...

Study: Did early climate impact divert a new glacial age?

... by pumping significant amounts of greenhouse gases methane from terraced rice paddies and carbon ... disputes the large rate of increase in greenhouse gases with the Industrial Revolution," Kutzbach notes. ... are teasing out evidence of past greenhouse gases in the form of fossil air trapped in the ice. ...

Potent greenhouse gas more prevalent in atmosphere than previously assumed

... Nitrogen trifluoride is one of several gases used during the manufacture of liquid crystal ... of the NASA-funded Advanced Global Atmospheric gases Experiment (AGAGE) network of ground-based ... recommended adding it to the list of greenhouse gases regulated by Kyoto. "As is often the case in ...

Flooding might help lower gas emission from wetlands

... result in lower average emissions of greenhouse gases over the course of the year compared to the ... the ones with the lowest emissions of greenhouse gases are those that have these pulses and that are ... edge zones. Consistently wet areas released more gases in the spring than did edge zones under both ...

Warming world in range of dangerous consequences

... at 2005 levels, the emissions of greenhouse gases such as carbon dioxide must decrease drastically ... in the atmosphere. By contrast, greenhouse gases can remain in the atmosphere for decades or, in ... Feng estimated that the increase in greenhouse gases from pre-industrial era levels has already ...

Studying volcanoes with balloons

... the first on-location measurements of volcanic gases as they actually spew from the mouth of the ... and made the first in situ measurements of gases in a volcanic plume using meteorological ... below the balloon, the researchers measured the gases as the plumes rose up and away from the active ...

Ozone hole recovery may reshape southern hemisphere climate change

... to cleanse the stratosphere of ozone-depleting gases than it took for them to build up." The ... Projected increases in human-emitted greenhouse gases like carbon dioxide will be the main driver for ... our model simulations, we assumed that greenhouse gases like carbon dioxide would double over the next 40 ...

First-ever study to link increased mortality specifically to carbon dioxide emissions

... on pollutionbut not healthof all the greenhouse gases combined, the EPA noted that, under the Clean Air ... low-pollution areas. Higher emissions of organic gases also increased the quantity of particles in the air, as organic gases can chemically react to form particles. And ...

PNNL scientist garners early career presidential award

... understand the formation of stars and applied them to subsurface flow. The gases of a young star whirl around each other in fluid motion; so too do fluids meander through the subsurface. Down below, the fluids made of gases and liquids -- air and water, for example -- react chemically with rocks ...

American Chemical Society's weekly PressPac -- April 29, 2009

... conditioning coils, the article notes. Although officials believe that the gases do not pose a serious health threat, many homeowners with the drywall have ... are now investigating the exact health effects caused by exposure to these gases as well as the electrical safety issues related to corrosion of copper ...

Lohafex provides new insights on plankton ecology

... be the base of all recycling planktonic ecosystems. Concentrations of gases other than CO 2 produced by the plankton either did not change or increased negligibly in the bloom. Some of these gases such as nitrous oxide and methane are potent greenhouse gases, others such ...

Termite killer lingers as a potent greenhouse gas

... the world at stations of the NASA-funded Advanced Global Atmospheric gases Experiment (AGAGE) network and to old air samples archived in metal ... October, has led to calls for it to be included in the list of greenhouse gases whose emissions are regulated by international treaties. Similar ...

Earth's highest known microbial systems fueled by volcanic gases

... gases rising from deep within the Earth are fueling the world's highest-known ... in the vast, barren landscape of the Atacama Desert and are supported by gases from deep within the Earth," said Schmidt, a professor in the ecology and ...

Texas researchers provide emissions data for livestock industry

... on Dec. 18 that required the reporting of continuous air releases of these gases by large confined animal feeding operations to local and state emergency ... long in its gaseous form," Auvermann said. "Unless it reacts with other gases to form fine particles, it's gone from the air within a few hours to a few ...

Oil spray reduces greenhouse gas emissions from pig finishing barns

... negative impact on local and global environments. Research on greenhouse gases and other pollutants emissions from animal barns of different animal ... method for better effects on reducing emissions of not only greenhouse gases but also particulate matter and odor. ...

Montana State partnership receives $66.9M for carbon sequestration

... the underground formation. Carbon dioxide is one of several greenhouse gases that scientists have linked to global climate change. Rather than let CO 2 ... carbon sequestration as one of the technologies to reduce greenhouse gases and help reduce climate change, and it illustrates the potential to use ...

NOAA and NSF commission national study of ocean acidification

... has reduced some of the harmful effects of heat-trapping greenhouse gases in the atmosphere and on land. But scientists are finding that the continued, increased absorption of these gases is altering the biology and chemistry of oceans in fundamental ways. ...

Penn State receives new NASA astrobiology grant

... and Habitable Worlds. Team members will look at the abundance of sulfur gases and how these gases evolve on young planets and at the formation of planets. Other Penn ...

American Chemical Society's Weekly PressPac -- Sept. 24, 2008

... 75 percent of organic particle pollutants form when reactive, organic gases undergo chemical transformations and condense onto existing particles in ... suggests that regulations need to focus much more attention on the organic gases that react chemically in the atmosphere, creating the secondary particles ...

CU-Boulder study suggests air quality regulations miss key pollutants

... 75 percent of fine, organic particle pollutants form when reactive gases called VOCs, or volatile organic compounds, are oxidized and condense onto ... study suggests that regulations need to focus much more attention on the gases -- such as gasoline vapors -- that form secondary organic particles and ...

GKSS membranes reduce air pollution in Beijing

... been used at tank farms in Europe. For the recovery of petrol vapour, the gases are returned to the storage tanks of the filling station directly at the ... air of the storage tanks and prevents toxic and environmentally harmful gases from entering into the atmosphere. Transfer of technology: Geesthacht ...

Study: Future snowmelt in West twice as early as expected; threatens ecosystems and water reserves

... snow on regional climate is far greater than that of increased greenhouse gases alone. "The heat trapping from elevated greenhouse gases triggers the warming, but the additional warming caused by the loss of ...

Air monitoring helps anticipate possible ecosystem changes

... measuring equipment. Deposition is the process in which particles or gases in the air settle to the ground, vegetation or water surfaces. The wet ... of the Clean Air Status and Trends Network, is all the other particles and gases that happen to settle out of the air, he said. While they are two ...

July 2008 GEOLOGY and GSA Today media highlights

... measurements, as well as molecular and stable isotope analyses of gases in the near-surface zone within the paleoswamp to reveal a few places within the paleoswamp where thermogenic gases occur, indicating sites favorable to the burial and preservation of ...

Regional nuclear conflict would create near-global ozone hole, says CU-Boulder study

... cycles in the stratosphere, particularly reactions of nitrogen oxide gases known collectively as NOx that destroy ozone, Mills said. In addition ... more than an order of magnitude larger than ozone loss from the release of gases like CFCs. UV radiation has been shown to be particularly damaging to ...

NOAA aircraft to probe arctic pollution

... and biomass burning in North America, Europe, and Asia are emitting trace gases and tiny airborne particles that are polluting the polar region, forming ... will gather shipboard measurements of atmospheric fine particles and trace gases in the air above the North Greenland and Barents seas, which are closer to ...

The bombardier beetle, power venom and spray technologies

... cause for speculation. Quantities of hydroquinone and hydrogen peroxide gases build up in the beetles abdomen but, when necessary for defence, get mixed ... and closes when a sufficient amount of gas has been received. As the gases react together, they generate heat and increase the pressure in the closed ...

How alligators rock and roll

... as the diaphragmatic muscle, to shift the position of their lungs. The gases in the lungs buoy up the animal, but if shifted forward and backward cause the animal to pivot in a seesaw motion. When the animals displace gases to the right or left side of the body, they roll. Uriona says that ...

ESF's European ice core project EPICA receives prestigious Descartes Prize

... of the past. The results show that the concentrations of the greenhouse gases carbon dioxide, methane and nitrous oxide have never been as high over the last 650,000 years as today, when human activities artificially emit those gases into the atmosphere. We are out of the natural bounds with ...

Gene that controls ozone resistance of plants could lead to drought-resistant crops

... closing of their stomatathe tiny breathing pores in leaves through which gases and water vapor flow during photosynthesis and respiration. Droughts, ... dioxide. Some scientists assessing the impacts of rising greenhouse gases had initially estimated that increased plant growth generated from extra ...

UN climate conference hears how EO can help

... The Protocol commits its signatories to reduce levels of greenhouse gases chief among them carbon dioxide believed to be increasing global ... in the ground, resulting in them releasing large amounts of greenhouse gases from deforestation and fires. Envisat is providing a new ASAR ...

New carbon calculator conserves forests

... Tropical deforestation emits at least 20 percent of total greenhouse gases that cause climate change -- more than all the worlds cars, SUVs, trucks, ... from deforestation is one of the most effective ways of keeping greenhouse gases out of the atmosphere. The United States and China are the worlds two ...

European lead in reading past climates from ice cores

... snow fell. These especially carbon dioxide are the principal greenhouse gases in the Earths atmosphere. It is clear that they are now at their most ... about the overall message. They think that climate forcing by greenhouse gases is a very real phenomenon: in other words, that rising greenhouse gas ...

Scientists, policymakers and industry leaders gather to discuss ocean iron fertilization

... of the ocean as a means to combat rising concentrations of greenhouse gases in the atmosphere. Several times over the past century, scientists and ... and dead plankton) sinks, thereby reducing the impact of greenhouse gases and global warming. There are many critical questions that require both ...

Plant protein 'doorkeepers' block invading microbes, study finds

... plants. AHA1 can act to regulate the opening and closing of tiny holes called stomata, found on the underside of the leaf. The stomata allow gases and water to pass in and out of the leaf. This is the same opening that allows bacteria and other invading microbes to gain entrance to the plant. ...

Plant protein 'doorkeepers' block invading microbes, study finds

... plants. AHA1 can act to regulate the opening and closing of tiny holes called stomata, found on the underside of the leaf. The stomata allow gases and water to pass in and out of the leaf. This is the same opening that allows bacteria and other invading microbes to gain entrance to the plant. ...

Broecker: 'What we need are tougher measures against climate change'

... this was not the only terrain first charted by Broecker. He pioneered the study of air-sea interaction back in the 1970s, focusing on the exchange of gases such as CO 2 . And he was also the first to explore how the ocean's absorption of atmospheric CO 2 gives it a key role in global temperature ...
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(Date:9/30/2014)... Pollution in urban and farm runoff in Hawaii is ... finds. , The study, published Tuesday in the ... in the runoff ends up in algae that the ... animals, eyes, flippers and internal organs. , Scientists at ... Oceanic and Atmospheric Administration (NOAA) conducted the study to ...
(Date:9/30/2014)... . , Animals ... such as exposure to predators. Researchers from the Max ... study on different populations of great tits that risk-taking ... High metabolic rates and low temperatures were associated with ... more likely to approach potential predators. , The readiness ...
(Date:9/29/2014)... of gut bacteria called Clostridium ramosum , coupled with ... work is published this week in mBio , the ... , A research team from the German Institute of Human ... bacteria including C. ramosum gained weight when fed ... ramosum were less obese even when consuming a high-fat ...
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(Date:10/2/2014)... Dennis Thompson HealthDay Reporter ... newborn,s risk of developing celiac disease isn,t reduced by breast-feeding. ... wheat called gluten to an infant,s diet help prevent celiac ... of new studies in the Oct. 2 New England ... rest hopes that a child could avoid celiac disease if ...
(Date:10/2/2014)... Dennis Thompson HealthDay Reporter ... and the District of Columbia now have a total of ... that has been infecting children since the summer, U.S. ... virus have died in recent weeks, but it,s not clear ... those deaths, officials said. Health officials are also trying ...
(Date:10/1/2014)... small protein beta-amyloid is strongly associated with Alzheimer,s disease; ... this peptide is the causal agent of the onset ... such confirmation is that beta-amyloid is not harmful when ... is when it self-assembles to form the so-called amyloid ... target, beta-amyloid alone, but with multiple ones because each ...
(Date:10/1/2014)... Computer modelling of the human eye, the brain of ... neuroscience and new technology, says a QUT leading robotics ... and Engineering Faculty says the new study uses new ... by high-density buildings or tunnels. , "This is a ... "It,s putting two halves of a thing together because ...
(Date:10/1/2014)... 1, 2014) Despite a policy focus on ... disabilities, this vulnerable population continues to have significant ... The Journal of the American Dental Association , ... Tufts University School of Dental Medicine report on ... at-home oral care provided by caregivers to adults ...
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