News tagged with soil
Bird flu in live poultry markets are the source of viruses causing human infections
On 31 March 2013, the Chinese National Health and Family Planning Commission announced human cases of novel H7N9 influenza virus infections. A group of scientists, led by Professor Chen Hualan of the Harbin ...
Diseases, Conditions, Syndromes
May 13, 2013 |
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How some cancers 'poison the soil' to block metastasis
Cancer spread or metastasis can strike unprecedented fear in the minds of cancer patients. The "seed and the soil" hypothesis proposed by Stephen Paget in 1889 is now widely accepted to explain how cancer cells (seeds) are ...
Cancer
Apr 30, 2013 |
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Source identification of H7N9 influenza virus causing human infections
In March 2013, a novel H7N9 influenza virus was identified in China as the etiological agent of a flu-like disease in humans, resulting in some deaths. A group of scientists, led by Professor Chen Hualan (National Avian Influenza ...
Diseases, Conditions, Syndromes
Apr 25, 2013 |
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Fertilisers could help tackle nutritional deficiency in African country, researchers say
Enriching crops by adding a naturally-occurring soil mineral to fertilisers could potentially help to reduce disease and premature death in the African country of Malawi, researchers have said.
Health
Mar 12, 2013 |
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Deworming important for children's health, has limited impact on infection in wider communities
Although they have an important impact on children's health and education, school-based deworming programmes have a limited impact on the level of infection in the wider community, according to a mathematical modeling study ...
Diseases, Conditions, Syndromes
Feb 28, 2013 |
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Nigeria frees long-delayed funds to address lead poison
Nigeria has provided nearly $3 million in long-delayed financing to clean up part of an area where lead poisoning has killed hundreds of children, Doctors Without Borders said Thursday.
Health
Jan 31, 2013 |
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Medicinal toothbrush tree yields antibiotic to treat TB in new way
A compound from the South African toothbrush tree inactivates a drug target for tuberculosis in a previously unseen way.
Diseases, Conditions, Syndromes
Jan 14, 2013 |
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Ecological approach could help cystic fibrosis sufferers, researchers find
Scientists more used to studying the communities of bacteria that live in natural environments like rivers and soils are helping transform doctors' understanding of a life-threatening illness, and could ultimately ...
Diseases, Conditions, Syndromes
Dec 20, 2012 |
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New technology for more efficient treatment of Pompe disease, other metabolic disorders
VIB researchers from UGent and Vrije Universiteit Brussel , together with a team of the firm Oxyrane have developed a new technology that can lead to a more efficient and possibly also cheaper therapy for diseases such as ...
Medical research
Nov 19, 2012 |
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Nigeria must clear lead poison soil to avoid 'disaster', MSF says
Doctors Without Borders (MSF) on Thursday urged Nigeria to release funds promised to clean up an area where lead poison killed hundreds of children, warning that further delays could be "disastrous."
Health
Nov 15, 2012 |
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Researcher's surprising finding could lead to glanders vaccine
(Medical Xpress)—Apichai Tuanyok dedicated several years to working on a bacterial pathogen in Canada, but his breakthrough occurred in Flagstaff with an unexpected finding on a routine lab report.
Diseases, Conditions, Syndromes
Oct 19, 2012 |
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Indian state in grip of a drug epidemic
On a muggy evening in the north Indian city of Amritsar, Sunil Sharma prepares for another heroin hit in a decrepit, abandoned building.
Addiction
Sep 28, 2012 |
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Scientists reveal how natural antibiotic kills tuberculosis bacterium
A natural product secreted by a soil bacterium shows promise as a new drug to treat tuberculosis report scientists in a new study published in EMBO Molecular Medicine. A team of scientists working in Switzerland has shown ...
Diseases, Conditions, Syndromes
Sep 17, 2012 |
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Vietnam, US begin historic Agent Orange cleanup
From deformed infants to grandparents with cancer, families near Vietnam's Danang Airbase have long blamed the toxic legacy of war for their ills. Now after a decades-long wait, a historic "Agent Orange" clean-up is finally ...
Health
Aug 09, 2012 |
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DNA from cystic fibrosis patients with and without chronic infections points to unsuspected mutation
(Medical Xpress) -- Comparing the DNA from patients at the best and worst extremes of a health condition can reveal genes for resistance and susceptibly. This approach discovered rare variations in the DCTN4 ...
Genetics
Jul 08, 2012 |
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Soil
Soil is a natural body consisting of layers (soil horizons) of mineral constituents of variable thicknesses, which differ from the parent materials in their morphological, physical, chemical, and mineralogical characteristics. It is composed of particles of broken rock that have been altered by chemical and environmental processes that include weathering and erosion. Soil differs from its parent rock due to interactions between the lithosphere, hydrosphere, atmosphere, and the biosphere. It is a mixture of mineral and organic constituents that are in solid, gaseous and aqueous states. Soil particles pack loosely, forming a soil structure filled with pore spaces. These pores contain sol solution (liquid) and air (gas). Accordingly, soils are often treated as a three state system. Most soils have a density between 1 and 2 g/cm³. Soil is also known as earth: it is the substance from which our planet takes its name. Little of the soil composition of planet Earth is older than Tertiary and most no older than Pleistocene. In engineering, soil is referred to as regolith, or loose rock material.
For more information about Soil, read the full article at
Wikipedia.
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