News tagged with food production system
Aquaculture's growth seen as continuing
Biology /
Jan 02, 2009 |
4 / 5 (2) |
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Aquaculture production of seafood will probably remain the most rapidly increasing food production system worldwide through 2025, according to an assessment published in the January 2009 issue of BioScience. The assessment, by Jam ...
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Headwater stream nutrient enrichment disrupts food web
Dec 17, 2009 |
4.2 / 5 (6) |
0
Human activity is increasing the supply of nutrients, such as nitrogen and phosphorus, to stream systems all over the world. The conventional wisdom -- bolstered by earlier research -- has held that these additional nutrients ...
Experiential learning teaches change and adaptation
Dec 15, 2009 |
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0
Economics, environmental impacts, social dynamics, and production levels are all major factors that influence the overall success of an agroecosystem. Positive or negative, these factors enact change on the system, forcing ...
New structure could produce efficient semiconductor laser sources
Dec 14, 2009 |
4.7 / 5 (3) |
1
(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...
Microbes help mothers protect kids from allergies
Dec 07, 2009 |
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1
A pregnant woman's exposure to microbes may protect her child from developing allergies later in life. Researchers in Marburg, Germany find that exposure to environmental bacteria triggers a mild inflammatory response in ...
Water-saving technology focus of new grant
Dec 04, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Many ornamental nursery growers test to see if their plants need water by sticking a finger in the soil to see if it’s dry. Or, they just water them whether they need it or not. University of Georgia horticulturists ...
First comprehensive review of the state of Antarctica's climate
Space & Earth / Earth Sciences
Dec 01, 2009 |
3.8 / 5 (12) |
3
The first comprehensive review of the state of Antarctica's climate and its relationship to the global climate system is published this week by the Scientific Committee on Antarctic Research (SCAR). The review - Antarctic ...
Heavy metal paradox could point toward new therapy for Lou Gehrig's disease
Medicine & Health / Neuroscience
Nov 30, 2009 |
4.5 / 5 (2) |
0
New discoveries have been made about how an elevated level of lead, which is a neurotoxic heavy metal, can slow the progression of amyotrophic lateral sclerosis, or Lou Gehrig's disease - findings that could point the way ...
Whiteflies sabotage alarm system of plant in distress
Nov 26, 2009 |
5 / 5 (3) |
0
(PhysOrg.com) -- When spider mites attack a bean plant, the plant responds by producing odours which attract predatory mites. These predatory mites then exterminate the spider mite population, thus acting ...
Hormone ghrelin can boost resistance to Parkinson's disease
Medicine & Health / Neuroscience
Nov 25, 2009 |
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0
Ghrelin, a hormone produced in the stomach, may be used to boost resistance to, or slow, the development of Parkinson's disease, Yale School of Medicine researchers report in a study published in a recent issue of the Journal of ...
Is global warming unstoppable?
Nov 23, 2009 |
3.6 / 5 (56) |
81
In a provocative new study, a University of Utah scientist argues that rising carbon dioxide emissions - the major cause of global warming - cannot be stabilized unless the world's economy collapses or society builds the ...
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