The origin of perennial water-ice at the South Pole of Mars
...e of essentially three types: water-ice mixed with carbon dioxide (CO2) ice, tens-of-kilometres-wide patches of water-ice, and deposits covered by a thin layer of CO2 ice. The discovery of the ice deposits of the first type confirms the long-standing hypothesis that CO2 acts as a cold-trap for water-ice....Changing climate will challenge Northeast agriculture, CU expert warns
...ssive weeds, research shows, grow faster with more carbon dioxide in the atmosphere. "On top of this, our s...tilling less to reduce the burn off of stored soil carbon that releases carbon dioxide into the atmosphere and using less nitrogen fertilizer, which produces ...5 OHSU faculty members singled out for honors
...ll at finding ways to bring things togetherwhether carbon atoms, disparate disciplines or peopleand contributing to the collaborative environment at OHSU. His research activities have been focused on the application of nanotechnology to basic and biomedical science in partnership with scientists at OHSU as ...Illinois-based study of energy crops finds miscanthus more productive than switchgrass
...canthus can gain greater amounts of photosynthetic carbon per unit of leaf area 2. Miscanthus has a greater ... years data showed that Miscanthus gained 33% more carbon than switchgrass. Integrated measurements also showed that the Miscanthus leaf area was 45% greater......e idea of safely burying global warming gases like carbon dioxide underground should also receive a significant boost. Said Joseph Wang, a scientist with Berkeley Labs Earth Sciences Division, and a senior Homestake proposal investigator, A flag-ship earth science experiment at SUSEL could involve geomic...Piecing together the cyanobacteria puzzle
... green algae are significant species in the global carbon cycle because they transform nitrogen gas from the... algae can fix or take up atmospheric nitrogen and carbon in a single cell organism. Carbon fixation during photosynthesis produces oxygen, which inhibits nit...New perspectives for the geosciences and climate research
...demand they are primarily designed for performing carbon 14 dating or are too low-powered, with a terminal voltage of 3 MV. This has meant that researchers from Germany have had to perform their experiments abroad, for example at the ETH in Zurich, Switzerland, or at the Lawrence Livermore Laboratory, USA,...Loss of hemlocks will affect water dynamics in southern Appalachian forests
... of the needles of the eastern hemlock, feeding on carbon fixed by the trees, slowing growth and causing the needles to drop. Needle loss causes the crown of the tree to thin and dieback in branches; in a surprisingly short timeusually 5 to 10 yearsthe tree fades away and dies. To estimate the impact the...New imaging method clarifies nutrient cycle
...m, helping to clear up an old puzzle of the global carbon and nitrogen cycle. Their study appears July 5 a..., respectively, used NanoSIMS to track the flow of carbon and nitrogen inside two types of cells in the freshwater organism Anabaena oscillarioides. This in...Wolves of Alaska became extinct 12,000 years ago, scientists report
...e scientists analyzed DNA samples, conducted radio carbon dating and studied the chemical composition of anc...least 45,000 years ago probably earlier, but radio carbon dating does not allow for the establishment of an earlier date until approximately 12,000 years ago...American Chemical Society's Weekly PressPac -- June 27/July 3, 2007
... Society Scientists are reporting development of carbon nanotubes as a longboat delivery system that shows...eaching the tumor. Their solution was to develop a carbon nanotube delivery system, ultimately for shuttling platinum compounds safely through the bodys bioch...Tough tubes -- Carbon nanotubes endure heavy wear and tear
Troy, N.Y. -- The ability of carbon nanotubes to withstand repeated stress yet retain ... paired with the strong electrical conductivity of carbon nanotubes, this ability to endure wear and tear, or fatigue, suggests the materials could be used to...Global warming is evaporating Arctic ponds, new study shows
...nsequences of shifting wetlands such as these from carbon sink to potential carbon sources are frightening, they say. Ponds, the dominant source of surface waters in many Arctic re...Satellite images reveal link between urban growth and changing rainfall patterns
...se dealing with deforestation, desertification and carbon sequestration projects under a climate change agreement.''...Desertification: UN experts prescribe global policy overhaul to avoid looming mass migrations
... most expedient ways to sequester more atmospheric carbon and help address the climate change issue, says Za...em services their land provides to all; Accept the carbon sequestration as a measure for simultaneously combating desertification and climate change. While v...World Wildlife Fund warns against iron dumping experiment near the Galapagos Islands
...pes that the microscopic marine plants will absorb carbon dioxide. The company is speculating on lucrative w...ch safer and proven ways of preventing or lowering carbon dioxide levels than dumping iron into the ocean, said Dr. Lara Hansen, chief scientist, WWF Internat...University of Arizona launches major scientific research initiative at Biosphere 2
...ll monitor environmental factors, including water, carbon dioxide, temperature, trace gases and pH. Inside, the team will control temperature and rainfall to mimic the environmental conditions right outside the chamber. Just outside the chamber, the researchers will build replicas of the indoor hill slope...DOE Joint Genome Institute secures long-term lease on production genomics facility
...able sources of clean energy, tracking the fate of carbon in our atmosphere, and restoring our environment. Walnut Creek is proud to be home to one of the worlds leading DNA sequencing centers in the DOE Joint Genome Institute, said Susan Rainey, Mayor of the City of Walnut Creek, Calif. In our very own ...2 MSU professors spearhead international water project
...mbranes will unite the world-renowned expertise in carbon nanotube chemistry at Rice University with the knowledge of hollow fiber membrane manufacture and optimization at Frances National Polytechnic Institute of Toulouse, he said. Development of high-flux membranes to remove heavy metal contaminants wil...... study, which sheds light on the so-called missing carbon sink, concludes that intact tropical forests are removing an unexpectedly high proportion of carbon dioxide from the atmosphere, partially offsetting carbon entering the air through industrial emissio...