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Mass Extinction: Life at the Brink 1x51

Mass Extinction: Life at the Brink joins scientists around the globe as they unravel the mysteries of two of the most dramatic mass extinctions—the “K/T Extinction” that wiped out the dinosaurs, and “The Great Dying,” which obliterated nearly 90% of all Earth’s species. As different as they seem, these two extinctions share uncanny similarities and a message for today. Could the impact of human beings be just as devastating to the planet as a massive asteroid strike or volcanic eruptions?