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Paging future Sec. of State John Kerry! Study: Cold spells were dark times in Eastern Europe: ‘Cooler periods coincided with conflicts and disease outbreaks’

  Published in the Proceedings of the National Academy of Sciences’: ‘Some of Eastern Europe’s greatest wars and plagues over the last millennium coincided with cold periods. Ulf Büntgen of the Swiss Federal Institute for Forest, Snow and Landscape Research in Birmensdorf and his colleagues reconstructed temperatures using tree rings from 282 living larch trees […]