UCLA neurobiologists identify brain cells that control breathing
...opped controlling the amounts of oxygen and carbon dioxide in the bloodstream the whole point of breathing, he said. While the findings prove the necessary role of these neurons in normal breathing, UCLA researchers are equally excited by the studys implications for the future. Our findings suggest that the...Biocomposites put the plant into the auto plant - and more
...th and stiffness, enhanced energy recovery, carbon dioxide sequestration and biodegradability. The environmental impact is significant beyond the landfill. The high-fiber plants commonly used for composites are easily grown, require few pesticides and can be rotated with traditional food crops. Glass fibe......alt ponds. Methanococcus jannaschi lives on carbon dioxide (CO2) in about 90 degrees C (194 F) at 2,500 meters of ocean depth (8,000 feet). It reduces CO2 to hydrogen -- its source of energy for its life processes -- and exhales methane. White is determining which of the 1,800 genes are responsible for the ...Climate plays bigger role than CO2 in make-up of plant communities
...-- Local climate may be more important than carbon dioxide levels in determining what types of plants thrive .... Their findings suggest that rising global carbon dioxide levels tied to global warming may not be as crucial in determining the composition of plant communit......n combustion, its only emissions are water, carbon dioxide and heat. Smaller than a penny, the prototype fuel cell developed by Gorte, Vohs, graduate student Hyuk Kim and postdoctoral researcher Seungdoo Park operates in a furnace set at 700 degrees Celsius. A commercial, self-contained fuel cell would ide...Scientists chart iron cycle in ocean
... important in the absorption and release of carbon dioxide from the oceans." Iron and other trace metals are important biochemical ingredients in the production of plankton, the most abundant organisms in seawater, which are at the bottom of the aquatic food chain. But iron is rare in surface seawater...Researchers report on possible biological effects of deep-sea CO2 sequestration
...ighly sensitive to environmental changes in carbon dioxide concentration and pH, the predicted consequences o...he physiological stress caused by increased carbon dioxide in their environment. We set out to synthesize and disseminate what is known about deep-sea life ph...Student discovers well-preserved embryo in dinosaur egg
... the Outer Banks of North Carolina and that carbon dioxide levels in its atmosphere would have been four time... reveal useful information about how higher carbon dioxide levels or global warming can affect our environment today, he says. Lamb's supervising professor is...MIT prof: Oceans at risk if policy tool not restricted
...ny organisms, or phytoplankton, that remove carbon dioxide from the atmosphere as part of their normal growth. Some of those organisms fall to the bottom of the sea, or are eaten and fall to the bottom as fecal matter, essentially moving carbon out of the air and into the deep. Entrepreneurs watching these ...Ecosystems slowed 1990s greenhouse gas buildup
... Enhanced plant growthspurred by increasing carbon dioxide and nitrogen deposits--a processmore noticeable in...dels to show a largeincrease in atmospheric carbon dioxide released by deforestationduring recent decades. In fact, no such increase emerged, indicatinga poten...Land wont soak up carbon indefinitely say top scientists
...urrent sinks cannot be counted on to mop up carbon dioxide emissions indefinitely. The results have potential implications for the Kyoto Protocol negotiations where recent difficulties have included a lack of scientific knowledge about the strength and distribution of carbon sinks and how they vary from year...Global warming more common than thought, deep-sea drilling off Japan now demonstrates
...tions or submarine landslides that released carbon dioxide and methane, both greenhouse gases, he said. Besides reducing the oceans oxygen-carrying capacity, warming also increased the waters corrosive characteristics and dissolved shells of surface-dwelling organisms before they could settle to the bottom. ...Forest management may mitigate global warming
...and human-produced greenhouse gases such as carbon dioxide in the atmosphere. Many scientists believe high l...ason. "At night, the trees respire, so more carbon dioxide is released from the forest," says Carol Barford, one of the researchers who now works at the UW-Mad...Studying plant adaptation to arctic helps understand the 'steps of wisdom of life'
...nd when forests first appeared, a time when carbon dioxide went from high to low. "Now were in the opposite ...n the land is replenishing. I predict that carbon dioxide will go closer to its original high," Scheckler said. Plants, animals, and Earth events create a d...Climate change could boost cotton yields
...r modelsto simulate the effects of elevated carbon dioxide (CO2) in theatmosphere on cotton crop yields. If CO2 emissions increase at theirpresent rate, many scientists believe that the atmosphericconcentrations of greenhouse gases are likely to double compared topre-industrial levels by the year 2060. Along......nt evidence that a new method for capturing carbon dioxide from power plants and placing it in the ocean has ...less impact on marine life than atmospheric carbon dioxide release or other global warming mitigation methods, such as direct injection and ocean fertilization...Aquaporins - the perfect water filters of the cell
...er boils at a temperature of 100oC, whereas carbon dioxide boils already at -78 oC). Aquaporin compensates for this energetic cost by a highly ordered formation of transient hydrogen bonds with passing water molecules. The permeation of water molecules therefore is a spectacular example of biological molecul...Science's Top Ten: nanoscale computing circuits named top scientific advance of 2001
... but it's also a "sink," mopping up lots of carbon dioxide from the atmosphere. The size of the U.S. carbon sink has been a matter of dispute, but this year two opposing groups of scientists revised their estimates to come to an agreement on the sink's extent. Atmospheric researchers shrunk their prediction ......ink between birth defects and exposure to nitrogen dioxide and larger-sized particulate matter other air pollutants that are commonly found in the South Coast Air Basin and other urban regions. However, the monitoring network for particulate matter is less extensive than for other pollutants and no monitori...