Tag: "methane" at biology news
Scientists returning to field of eerie thermal spires
...y of microorganisms believed to live off the gases methane
and hydrogen, both byproducts of serpentinization. This leads Kelley, Karson and others to speculate that life on this planet may have started in just such an environment, particularly since so much more mantle rock was exposed to seawater early in E...
Can carbon sequestration solve global warming?
...ll as parallel efforts to identify and recover the methane
gas that is found in some of those sites. The valuable gas offers hope that the cost of capturing carbon can be covered. Water disposal is a challenge because high concentrations of salts and other dissolved solids can be toxic to some organisms, Whi...
Computer models forecast sharp increase in temperature if heat-trapping emissions continue to rise
... are made to control production of carbon dioxide, methane
and other gasses. With projections to the year 21... Noting that concentrations of carbon dioxide and methane
did not start to increase significantly until the 20th century, Washington demonstrated with charts ...
Methane and mini-horses: Fossils reveal effects of global warming
...e occurred when something triggered the release of methane
clathrate---a kind of 'methane ice' found in ocean sediments," said Philip D. Gingerich, professor o...
New life discovered in deep ocean floor
...nto the microscopic creators of the largest frozen methane
pools on the planet. Could frozen methane
hydrate) trapped in the ocean floor be the answer to the world's energy problems? Ev...
Early Mars: Warm enough to melt water?
...ane would be a good candidate, but most sources of methane
on Earth are biological. Today's sources of methane
are methanogenic bacteria in ruminant animals and rice paddies, but in the pre-oxygen atmosphere of ...
Bugs from the deep may be window into the origins of life -- on earth and beyond
...cteria involves the formation of large deposits of methane
hydrate on the seafloor. These deposits are solid ...tent greenhouse gas. Scientists have proposed that methane
hydrates may have had a hand in past climate change episodes, or may be a possible fuel source. Fre...
Tropical deforestation and global warming
...der the effects of important greenhouse gases like methane
and nitrous oxide, which are also produced by deforestation. Fearnside and Laurance further assert that the effects on global warming of selective logging, habitat fragmentation, and other types of forest degradation are not included in the Achard st...
Too little attention is paid to the side effects of emission-limiting measures
...also indicate that a reduction in nitrous oxide or methane
results in a reduced emission of ammonia. However,...ensure a decrease in ammonia, nitrous oxide and/or methane
emissions are less nitrogen in the feed, the more efficient use of artificial fertilisers and manure...
Shifts in rice farming practices in China reduce greenhouse gas methane
...ice paddies in China may have led to a decrease in methane
emissions, and an observed decline in the rate that methane
has entered the Earth's atmosphere over the last 20 years, a NASA-funded study finds. Changsheng Li...
New CU-NASA research belies previous idea that Mars was once warm, wet planet
...e also is no evidence that another greenhouse gas, methane
-- which can be created naturally by volcanic erup...esent in the Martian atmosphere. But even CO2 and methane
combined would not be enough to warm the planet as greenhouse gases did on Earth and Venus in their ...
'Knot' to be undone, researchers discover unusual protein structure
...s ability to break down waste products and produce methane
gas. Scientists know which gene codes for the 268-amino acid protein, but they do not know the protein's function. They speculate that it binds to RNA, a chemical cousin of the genetic material DNA, and helps process this molecule. The PSI, currentl...
From designer milk to 'green' cows: predictions for milk and dairy products in the next 50 years
...em, and "green" cows -- engineered to produce less methane
to help stem global warming. All are among the cha...tle, via belching, produce a significant amount of methane
as a result of digestion. Methane (from cows and other sources) is a major contributor to the greenh...
GSA release 02-55: Dec. Geology & GSA Today media highlights
...the fire: Evidence for the thermal dissociation of methane
hydrate during the Paleocene-Eocene thermal maximu...eved to have been the result of a massive input of methane
(a potent greenhouse gas) released from frozen hydrate reservoirs in deep-sea sediments, based on a ...
Fiery ice from the sea
If you know anything about methane
gas and the Office of Naval Research thinks you s...en at night above that very same swamp (mundanely, methane
igniting spontaneously with traces of odorous hydrogen sulfide found in the bog's rotting organic ma...
Life in a greenhouse world
...ide dominated greenhouse world to one dominated by methane
actually did the trick. Schwartzman and Caldeira ...lined," says Schwartzman. "It appeared likely that methane
replaced carbon dioxide as the dominant gas in the greenhouse atmosphere of early Earth by about 2.8...
Methane bacteria possess pressure valve
...focussed on the behaviour of the relatively simple methane
producing microorganism Methanothermobacter thermo... is the food available, can vary considerably. The methane
bacterium seems to use this to its advantage. At high hydrogen concentrations, thus an excess of foo...
Science picks - leads, feeds and story seeds
...udied to learn about the geophysical properties of methane
(gas) hydrates and their potential as an energy so...amgen/methanehydrates.rm . Click here to see what methane
hydrates looks like. A.B. Wade ( firstname.lastname@example.org ) 703-648-4460 West Nile Virus Does Not Discrimi...
Penn State engineers boost hydrogen production from fermentation
...nts," says the Penn State researcher. In addition, methane
could also be generated via the same process and f...y for fuel cells. Logan says, "Both hydrogen and methane
production via fermentation could save money spent on aeration while at the same time making a waste...
April GEOLOGY and GSA TODAY media highlights
...mation and fragmentation of the arc. Migration of methane
gas through the hydrate stability zone in a low-fl...United States) shows evidence for the migration of methane
gas through the uppermost ~500 m of seafloor sediments. This is remarkable because methane
in this ...
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