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Enter the toxicology lab to learn how drugs and poisonous substances are detected, even in minute quantities. Trace the path of drugs through the bloodstream and understand their effects. Then see how forensic scientists use sophisticated tests to identify chemicals in a victim's body.
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The untold story of how poison rocked Jazz Age New York City. A pair of forensic scientists began their trailblazing chemical detective work, fighting to end an era when untraceable poisons offered an easy path to the perfect crime. Chief medical examiner Charles Norris and toxicologist Alexander Gettler investigate a family mysteriously stricken bald, factory workers with crumbling bones, a diner serving poisoned pies, and many others. Each case...
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Toxins are poisons. Many are found in nature and help protect plants and animals from animals that try to eat them. But there are other toxins that are very harmful, especially when they enter the food chain. Artificial chemicals such as herbicides and pesticides used in farming, cleaning products used by industries, hormones injected into animals, all get passed along to living things through the food chain with devastating effects. This book uses...
7) Plastic Wars
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Did the plastic industry use recycling to sell more plastic? With the industry expanding like never before and the crisis of ocean pollution growing, FRONTLINE and NPR investigate the fight over the future of plastics.
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Using a variety of examples from around the world, this clip looks at how unplanned urban growth, rapid industrialisation and a lack of environmental controls is causing water pollution and impacting on human health. Examples include the impacts of the textile industry in Dhaka, and how mining, oil extraction and the use of agricultural pesticides is causing water pollution in the Amazon.
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Keeping aluminum cans out of the trash is how a lot of us were raised to recycle. Today nearly everything we buy, use and throw away can be recycled in some form. It is not always easy but the ways in which companies are making recycling products is downright fascinating…we will take a look.
15) Contamination
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Are we slowly destroying our environment? We are filling the ground, atmosphere, and water with unnatural products. Some can be dangerous—and even lethal. In this program, we explore the danger of radioactive residue, contamination in the air and water, and the impact of this contamination.
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The long-term impact of waste disposal and the importance of environmentally conscious alternatives to landfills are explored. This chapter addresses the need to re-use natural resources and upgrade our urban infrastructure to accommodate waste and conserve energy. Is recycling effective and how can we improve the process and outcomes?
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Marion County Environmental Services oversees the operation of one of the most successful recycling and energy programs in the United States. Curbside collection, sorting, waste incineration which in turn generates electricity…these folks have it nailed. We get to see all steps and get involved in the process.
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Watershed management involves more than just water storage and purification. It is also about land management, delivery systems, and the impact of global climate control. This chapter lesson will include the basics of water quality monitoring, water pollution control, alternate watershed plans and the impact of the Clean Water Act.
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We all need it and it is much less common than you might think. The earth has plenty of water but only a small fraction of it is fresh and clean. Our rivers are much dirtier than people think so cleaning water for drinking is becoming the focus of numerous scientists. We take some of the dirtiest and make it clean and drinkable right before your eyes.
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The innovation of Günter Hufschmid at the German firm Deurex is a synthetic wax that, when heated under pressure, turns into a light, spongy material that can adsorb about seven times its own weight's worth of oil, chemicals, or other hydrophobic liquids. The invention is a radical improvement to existing "spill management" technologies, which soak up fewer contaminants less quickly and often leave behind residues. It is also more economical to produce....