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Trucks and Diesel Air Pollution
It is annoying to be driving behind a truck especially one that smells of diesel combustion products. Doing something about that is desirable but it will come at a tremendous cost. trucks are bought and used for years. It is not something that you replace quickly because it is costly. A common trend in environmental…
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Maize Strength
Maize is known in many English-speaking countries as corn but is technically a grain domesticated by indigenous peoples in Mesoamerica in prehistoric times. The leafy stalk produces ears which contain seeds called kernels. Though technically a grain, maize kernels are used in cooking as a vegetable or starch. The Olmec and Mayans cultivated it in…
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The Myriad Planets of the Galaxy
At one time there was serious debates that planets were a rare phenomena, few and far between. Our Milky Way galaxy contains a minimum of 100 billion planets, according to a detailed statistical study based on the detection of three planets located outside our solar system, called exoplanets. The discovery, to be reported in the…
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The Great Extinction
Some 250 million years ago, the earth suffered the greatest biological crisis in its history. Around 95% of all living species died out–a global catastrophe far greater than the dinosaurs’ demise 65 million years ago. How this happened remains a mystery. But there are many competing theories. Now, they have discovered a new culprit likely…
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The Perils of Vacuum Cleaners
A vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck up dust and dirt, usually from floors, and optionally from other surfaces as well. Does not sound so bad does it? Some vacuum cleaners — those basic tools for maintaining a clean indoor environment in homes and…
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Diving Marine Mammals and Decompression
Decompression sickness (DCS) describes a condition arising from dissolved gases coming out of solution to form bubbles inside the body upon depressurization. So how do marine mammals, whose very survival depends on regular diving, manage to avoid DCS? Do they, indeed, avoid it? In April 2010, the Woods Hole Oceanographic Institution’s Marine Mammal Center (MMC)…
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Healthy Food or Junk?
Parents of some obese children could save up to £6.58 (about $10) each week by changing their shopping habits and opting for a healthier diet, according to research published in the latest issue of the British Journal of General Practice. The study on the theme of obesity shows that healthier eating does not have to…
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Biochar Value to Glacial Soils and Green House Gases
Adding a charred biomass material called biochar to glacial soils can help reduce emissions of the greenhouse gases carbon dioxide and nitrous oxide, according to U.S. Department of Agriculture (USDA) scientists. Studies by scientists with USDA’s Agricultural Research Service (ARS) are providing valuable information about how biochar-the charred biomass created from wood, plant material, and…
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Super Hospital Disinfection
One of the nastier things to happen to a hospital patient is to go to be cured but end up being infected by something from the hospital. A Queen’s University infectious disease expert has helped in the development of a disinfection system that may change the way hospital rooms all over the world are cleaned…
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New Large Boiler Rules
The U.S. Environmental Protection Agency (EPA) is proposing changes to Clean Air Act standards for boilers and certain incinerators based on extensive analysis, review and consideration of data and input from states, environmental groups, industry, lawmakers and the public. The proposed reconsideration would achieve extensive public health protections through significant reductions in toxic air pollutants,…