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How millions of years of volcanic eruption led to the deadliest mass extinctions in Earth's history

About 250 million years ago, nearly 90 percent of Earth's life disappeared in the most vicious mass extinction the world has ever known – the Permian-Triassic extinction or the "Great Dying." Around the same time, hot rock rose in the mantle, roared, steamed and stuttered in a colossal volcanic eruption that raged for nearly a million years. Researchers have long …

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Mass extinctions led to an explosion of dinosaurs, making them the dominant species on Earth

Dinosaurs went back with a bang and it turned out they also emerged with a bang. Dinosaurs exploded after mass extinction, allowing them to become the dominant species on Earth. ( Davide Bonadonna ) Scientists have conducted research showing how dinosaurs became the dominant species on Earth. The rise of the dinosaurs is associated with two different events, including the …

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