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PM2.5, O3 pollution associated with development of Alzheimer’s disease; new study identifies evolving axonal damage

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and ozone at or above the current standards have been linked to neuroinflammation and high risk of Alzheimer’s disease (AD). suggesting long-term exposure to PM 2.5 , as well as ozone above the current US EPA standards, are associated with increased risk of Alzheimer’s disease. every day since conception. g/m 3 in PM 2.5

Pollution 318
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German-Chilean consortium investigating new ways of reducing arsenic in copper concentrates: ReAK

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Fraunhofer IWKS launched a first project in 2018, which brought together a consortium of numerous German and Chilean partners from both research and industry. Other project partners are also evaluating UV- and ozone-assisted as well as microbial oxidation processes. —Anna-Lisa Bachmann. —Anna-Lisa Bachmann.

Chile 243
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The New Supersonic Boom

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Meanwhile, environmentalists were voicing concern—about how noisy such aircraft are taking off, about the possibility that their high-altitude emissions would erode the ozone layer, and about how disruptive the sonic booms would be. The key concept is a phenomenon known as Mach cutoff , the physics of which is straightforward.