China’s air pollutant reduction success could make it tougher to control climate change

Credit: CC0 Public Domain China's success in improving air quality by cutting polluting emissions may have a negative knock-on effect on climate change overall, a new study has found. The research, by scientists from Carnegie ....

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The observation of Bloch ferromagnetism in composite fermions

Schematic evolution of the spin polarization of composite fermions as a function of the density. At large densities, the composite fermions are fully spin polarized (all spinning in one direction). As the density is lowered ....

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Mercury concentrations in Yukon river fish could surpass EPA criterion by 2050

Kevin Schaefer standing above melting ground ice in front of the Alaska pipeline on the North Slope. Credit: Roger Michaelides The concentration of mercury in the fish in Alaska's Yukon River may exceed the EPA's ....

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Multiphase buffering by ammonia explains wide range of atmospheric aerosol acidity

Multiphase buffering effect of emitted ammonia controls aerosol pH, thereby influencing the haze chemistry and formation of aerosol particles, especially nitrate, sulfate and ammonium. It shows a close link between the nitrogen cycle and atmospheric ....

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Researchers track nutrient transport in the Gulf of Mexico

Credit: CC0 Public Domain Researchers from Florida State University are shedding light on nutrient levels in the Gulf of Mexico with new findings published this month in the Journal of Geophysical Research—Oceans. The Gulf of ....

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Spin-galvanic effect in graphene with topological topping demonstrated

Credit: CC0 Public Domain Researchers at Chalmers University of Technology, Sweden, have demonstrated the spin-galvanic effect, which allows for the conversion of non-equilibrium spin density into a charge current. Here, by combining graphene with a ....

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Warmer, acidifying ocean brings extinction for reef-building corals, renewal for relatives

A healthy coral reef with both hard corals and softer-bodied relatives at Chinchorro Reef in the Mexican Caribbean Sea.A new study, published Aug. 31 in the journal Nature Ecology and Evolution, finds that reef-building corals ....

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AstroSat observations detect thermonuclear X-ray bursts on Cygnus X-2

The raw light curve of Cyg X-2. Credit: Devasia et al., 2020. Using the AstroSat spacecraft, Indian astronomers have identified thermonuclear X-ray bursts on the low-mass X-ray binary (LMXB) Cygnus X-2. The finding, reported in ....

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