Tag: "carbon" at biology news
Beyond batteries: Storing power in a sheet of paper
...selaer researchers infused this paper with aligned carbon
nanotubes, which give the device its black color. ...onents are molecularly attached to each other: the carbon
nanotube print is embedded in the paper, and the electrolyte is soaked into the paper. The end resul...
New study warns limited carbon market puts 20 percent of tropical forest at risk
...orest are at risk of being left out of an emerging carbon
market intended to promote rainforest conservation...if the Kyoto Protocol and upcoming negotiations on carbon
trading fail to include intact standing forest. The study by scientists from Conservation Internat...
Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...lting permafrost can lead to a viscous feedback of carbon
exchange that actually fuels future climate change...tlands represent a massive reservoir of stockpiled carbon
that accumulated from the atmosphere over many thousands of years. Peat blankets the permafrost and ...
Conventional plowing is 'skinning our agricultural fields'
...se organic matter in soil, as much as tripling its carbon
content in less than 15 years. "Returning the o...to no-till, the range of estimates for sequestered carbon
runs from 10 percent of current carbon
emissions to about half. "It's probably closer to 10 perce...
What we can learn from the biggest extinction in the history of Earth
...-extinction event may hold clues to current global carbon
cycle changes, according to Jonathan Payne, assist...owing 4 million years of instability in the global carbon
cycle. In the July issue of the Geological Society of America Bulletin, Payne presented evidence tha...
Experiment suggests limitations to carbon dioxide 'tree banking'
...bathing North Carolina pine tree stands with extra carbon
dioxide did allow the trees to grow more tissue, o...utrients were able to store significant amounts of carbon
that could offset the effects of global warming, scientists told a national meeting of the Ecologica...
See what you're spewing as you speed along
...er measuring device capable of recording levels of carbon
monoxide and methane from directly inside an exhaust. Once optimised, the process could be incorpo...
UC experts detail new standard for cleaner transportation fuels
... fighting global warming by reducing the amount of carbon
emitted when transportation fuels are used in Cali...rgy experts to design a standard that would reduce carbon
emissions from fuels by 10 percent by 2020. Carbon and other greenhouse gases trap heat in the Earth...
ASU researchers partner with UOP to make biofuel for military jets a reality
...ting agriculture. Moreover, since algae can use carbon
dioxide from waste or flue gases as a nutrient for...lue of algae feedstock production is environmental carbon
sequestration. While algal oil is very similar to other vegetable oils in terms of fatty acid com...
Nanotechnology helps scientists make bendy sensors for hydrogen vehicles
...m, the new sensors are bendy and use single-walled carbon
nanotubes (SWNTs) to improve efficiency and reduce cost. The development of these hydrogen sensors will help to ensure economical, environmental and societal safety, as the nation is realizing the potential for a more hydrogen-based economy. Yugang...
New aerogels could clean contaminated water, purify hydrogen for fuel cells
..., gels made with open platinum sites would extract carbon
monoxide, a common catalyst poison, he explained. The research team had not intended to create the aerogels, but their discovery proved fortunate, said Kanatzidis. Originally, the researchers had used surfactants to produce porous semiconducting po...
Waters off Washington state only second place in world where glass sponge reefs found
...logy is fueled by methane gas derived from ancient carbon
in the sediments, Johnson says. The glass sponges so-called because their skeletons are made of silica (the same material as beach sand) come in un-sponge-like shapes similar to cups and funnels. They range in color from creamy white to brilliant ...
Wider buffers are better
...gen in deep groundwater or contribute more organic carbon
in streams. Riparian buffers of herbaceous vegetation or a mix with forest vegetation were found to be effective only when wider. Riparian services provide numerous ecosystem services beyond nitrogen removal, and although buffer width, dimension, a...
Report recommends off-site disposal of secondary waste
... weapons destruction operations. Spent activated carbon
represents nearly 35 percent of the estimated secondary wastes. Activated carbon
beds are used in the pollution abatement filtration systems, which treat the air in the on-site buil...
The inside dope
...ination.' Steel, for example is iron with a bit of carbon
mixed in. To produce materials for modern electron...lectron beams, changing chemical bonds between the carbon
atoms that make up the molecular layer. These bonds ultimately influenced electronic transport throu...
Coming soon -- Protein synthesis without amino acids?
...ink them together in an alternating fashion with a carbon
monoxide molecule (CO), like a pearl necklace made of two different alternating types of pearl. This long-envisioned process is modeled after the plastic production process known as Ziegler-Natta polymerization, which requires special metal catalysts...
Purdue-IU researchers explore new method for early disease diagnosis
...e nuclear magnetic resonance to detect hydrogen or carbon
atoms to provide insight into the metabolites pres... has disadvantages, Raftery said. The signals from carbon
atoms are very weak and are difficult to detect, while the signals from hydrogen atoms often overlap...
Increase in creeping vines signals major shift in southern US forests
...agues say possible mechanisms include increases in carbon
dioxide concentrations, which have been shown to i... growth. Many vines thrive on elevated levels of carbon
dioxide, he said. Several studies suggest that vines like poison ivy benefit more than other plants ...
Decoding mushroom's secrets could combat carbon, find better biofuels and safer soils
... The mushroom also forms an important model for carbon
cycling studies. Carbon is sequestered in soils as plant organic matter. Between 12 giga tons of carbon
a year are sequestered in pools on land in the temperate and boreal regions of the earth, which repr...
Microscopic jets, diamonds unlikely on Uranus, and amazing mosquito legs
...on that small diamonds would spontaneously form in carbon
rich layers of the gas giant planets. White dwarf ... in gas giant planets like Uranus, arrangements of carbon
atoms would be much more suitable for creating tiny bits of graphite rather than diamond. In whit...
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