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A large amount of organic carbon stored in frozen Arctic soils (permafrost) could be released as carbon dioxide and methane in a warming climate, which would accelerate the pace of climate change; this review suggests that release of greenhouse gas emissions will be gradual but prolonged.
A review of the phases of copper oxides (especially the ‘strange metal’), discussing their high-temperature superconductivity and their various forms of quantum matter, and the implications for fundamental theory.