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Fresh Clues In Dinosaur Whodunit Point To Asteroid

04:26
Scientists have confirmed that the impact of a giant asteroid and the mass extinction of the dinosaurs happened at the same time. (Courtesy of Don Dixon/cosmographica.com)
Scientists have confirmed that the impact of a giant asteroid and the mass extinction of the dinosaurs happened at the same time. (Courtesy of Don Dixon/cosmographica.com)

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