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Bianca Bosker, "The Nastiest Feud in Science:A Princeton geologist has endured decades of ridicule for arguing that the fifth extinction was caused not by an asteroid but by a series of colossal volcanic eruptions. But she's reopened that debate." The Atlantic Monthly September 2018. https://www.theatlantic.com/magazine/archive/2018/09/dinosaur-extinction-debate/565769/