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Study finds heavy-petroleum fuels raising vanadium emissions; human emissions outpacing natural sources by factor of 1.7

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Breathing vanadium-rich aerosols has unknown but potentially adverse health impacts, according to the researchers, who note that the human impacts on the global vanadium cycle parallel impacts on the global cycles for lead and mercury. Excessive V in air and water has potential, but poorly documented, consequences for human health.

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Harvard study finds human health risks from Canadian hydroelectric projects

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In a new study, Harvard University researchers found more than 90% of potential new Canadian hydroelectric projects are likely to increase concentrations of the neurotoxin methylmercury (MeHg) in food webs near indigenous communities. The methylmercury moves into the water and animals, magnifying as it moves up the food chain.

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Generating Power on Earth From the Coldness of Deep Space

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But we have demonstrated that by directly using power generated by the cold universe, we can chill water to cool buildings by as much as 5 ºC during the day without electricity and light the night without wires or batteries. In the case of moving water, a turbine harvests the energy in the flow to generate hydroelectricity.

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A New Wildfire Watchdog

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In the case of the 2017 Tubbs Fire, the 2018 Camp Fire, and the 2020 August Complex Fires, high winds blasted flames through populated areas in the early morning hours while residents were sleeping. Matthew Modoono/Northeastern University. At the University of Texas at Dallas , Siavash Pourkamali's group has taken a different approach.

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Lotfi Zadeh and the Birth of Fuzzy Logic

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Fuzzy theory is wrong, wrong, and pernicious,” said William Kahan, a highly regarded professor of computer sciences and mathematics at the University of California at Berkeley in 1975. Kalman in 1972, who is now a professor at Florida State University in Tallahassee. The denunciations were sometimes extreme. But Zadeh never wavered.