A team of researchers is asserting that the plague had an unexpected impact: clearing the air of a toxic pollutant for the first time in over a thousand years. From 1347 to 1351, the plague, afflicting victims with putrid black boils, fevers, vomiting, and in short order, death

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A team of researchers is asserting that the plague had an unexpected impact: clearing the air of a toxic pollutant for the first time in over a thousand years. From 1347 to 1351, the plague, afflicting victims with putrid black boils, fevers, vomiting, and in short order, death