Mass-Extinction Sleuth (IMAGE)

Brown University

Mass-Extinction Sleuth

Caption

Brown University paleobiologist Jessica Whiteside led a scientific team that has explained what led to the dinosaurs’ rise as the Triassic Period ended. Fossil and carbon evidence show that volcanic eruptions and a spike in atmospheric carbon dioxide wiped out half of plant species and early dinosaurs' primary competitors.

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Paul Olsen/Columbia University

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