News tagged with organic matter
Related topics: climate change , carbon , soil , organic material
Fertilizers may not help poorest African farmers
(PhysOrg.com) -- Researchers have linked poverty in sub-Saharan Africa with poor soil health, but two new Cornell studies find that the recommended practice of applying more fertilizer may not help the poorest ...
Sep 24, 2009 |
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Catastrophic Darkness: How Life Survives an Asteroid Impact
A dinosaur-killing asteroid may have wiped out much of life on Earth 65 million years ago, but now scientists have discovered how smaller organisms might have survived in the darkness following such a catastrophic ...
Space & Earth / Space Exploration
Sep 10, 2009 |
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Perennial vegetation, an indicator of desertification in Spain
A team of scientists has analyzed 29 esparto fields from Guadalajara to Murcia and has concluded that perennial vegetation cover is an efficient early warning system against desertification in these ecosystems. ...
Sep 04, 2009 |
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How Mercury Becomes Toxic In The Environment
(PhysOrg.com) -- Naturally occurring organic matter in water and sediment appears to play a key role in helping microbes convert tiny particles of mercury in the environment into a form that is dangerous to ...
Aug 18, 2009 |
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New study expands the list of hazardous chemicals in smokeless tobacco
Attention all smokeless tobacco users! It's time to banish the comforting notion that snuff and chewing tobacco are safe because they don't burn and produce inhalable smoke like cigarettes. A study that looked ...
Aug 16, 2009 |
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Mummified dinosaur skin yields up new secrets
(PhysOrg.com) -- Scientists from The University of Manchester have identified preserved organic molecules in the skin of a dinosaur that died around 66-million years ago.
Other Sciences / Archaeology & Fossils
Jul 01, 2009 |
4.7 / 5 (18) |
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Little-known marine decomposers attract the attention of genome sequencers
The Department of Energy's Joint Genome Institute (JGI) announced today that they will sequence the genomes of four species of labyrinthulomycetes. These little-known marine species were selected for sequencing ...
Jun 29, 2009 |
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Subseafloor sediment in South Pacific Gyre one of the least inhabited places on Earth
(PhysOrg.com) -- An international oceanographic research expedition to the middle of the South Pacific Gyre - a site that is as far from continents as it is possible to go on Earth's surface - found so few organisms beneath ...
Space & Earth / Earth Sciences
Jun 22, 2009 |
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Athletes, spectators faced unprecedented air pollution at 2008 Olympic Games
(PhysOrg.com) -- Particulate air pollution during the 2008 Olympic Games in Beijing constantly exceeded levels considered excessive by the World Health Organization, was far worse than other recent Olympic ...
Jun 19, 2009 |
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Ethanol production could jeopardize soil productivity
There is growing interest in using crop residues as the feedstock of choice for the production of cellulosic-based ethanol because of the more favorable energy output relative to grain-based ethanol. This would also help ...
Jun 02, 2009 |
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Biologists: Greening Arctic not likely to offset permafrost carbon release
As the frozen soil in the Arctic thaws, bacteria will break down organic matter, releasing long-stored carbon into the warming atmosphere.
May 27, 2009 |
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Hubble: a time machine that revolutionized astronomy
The Hubble space telescope, the object of NASA's fifth and last servicing mission next week, is a veritable time machine that has revolutionized humankind's vision and comprehension of the universe.
May 10, 2009 |
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Pavement sealcoat a source of toxins in stormwater runoff
Driveways and parking lots may look better with a layer of sealcoat applied to the pavement, but the water running off the surface into nearby streams will be carrying more than just oxygen and hydrogen molecules. ...
Apr 08, 2009 |
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Scientists find climate change to have paradoxical effects in coastal wetlands
Rising atmospheric carbon dioxide is largely responsible for recent global warming and the rise in sea levels. However, a team of scientists, including two Smithsonian ecologists, have found that this same increase in CO2 may ironic ...
Space & Earth / Earth Sciences
Mar 23, 2009 |
3.3 / 5 (7) |
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Soil carbon storage is not always influenced by tillage practices
The practice of no-till has increased considerably during the past 20 yr. Soils under no-till usually host a more abundant and diverse biota and are less prone to erosion, water loss, and structural breakdown than tilled ...
Feb 25, 2009 |
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