Archive for July 27th, 2009

Nearly two years following Robert Dziekanski's death at Vancouver International Airport after being shot by Royal Canadian Police with a TASER, a commission investigating Canadian law enforcement's use of such "conducted energy weapons" supports their continued use, as long as this accompanies an overhaul of how and when these weapons are used. (Dziekanski's 2007 encounter with police can be viewed on YouTube.) [More]

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Nearly two years following Robert Dziekanski's death at Vancouver International Airport after being shot by Royal Canadian Police with a TASER, a commission investigating Canadian law enforcement's use of such "conducted energy weapons" supports their continued use, as long as this accompanies an overhaul of how and when these weapons are used. (Dziekanski's 2007 encounter with police can be viewed on YouTube.) [More]

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Nearly two years following Robert Dziekanski's death at Vancouver International Airport after being shot by Royal Canadian Police with a TASER, a commission investigating Canadian law enforcement's use of such "conducted energy weapons" supports their continued use, as long as this accompanies an overhaul of how and when these weapons are used. (Dziekanski's 2007 encounter with police can be viewed on YouTube.) [More]

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With science and technology advancing athletic performance across all sports, swimming's Fédération Internationale de Natation (FINA) governing body has decided to limit the amount and type of materials that can be used to make the fancy swimsuits worn by elite swimmers such as Michael Phelps. [More]

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Nearly all species have some ability to detect light. At least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers have discovered in fish yet another type of cell that can sense light and contribute to vision.
 

The first person to receive a new cardiac stem cell treatment in a U.S. Food and Drug Administration clinical trial is doing well, it was announced last week. [More]

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Monday, July 27th, 2009

Dear EarthTalk: How can I recycle my old mattress if the place I buy a new one from doesn’t take it? What do mattress companies do with old mattresses when they do take them? Do they recycle any of the material? -- J. Belli, Bridgeport, CT

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Scientists have created a transparent form of aluminum by bombarding the metal with the world's most powerful soft X-ray laser. 'Transparent aluminum' previously only existed in science fiction, featuring in the movie Star Trek IV, but the real material is an exotic new state of matter with implications for planetary science and nuclear fusion. The aluminum is nearly invisible to extreme ultraviolet radiation.
 
Dye-sensitized solar cells are expected to power Air Force unmanned aerial vehicles in the future because they are an optimum energy harvesting source that may lead to longer flight times without refueling.
 
A drug similar to one used in clinical trials for treatment of rheumatoid arthritis and psoriasis has been found to rescue memory in mice exhibiting Alzheimer's symptoms.
 

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