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The world's top scientists describe seven riveting scenarios detailing the deadliest threats to humanity. Some can destroy the planet, all have the ability to render us extinct, and all have the power to destroy civilization. "Last Days on Earth" goes beyond science fiction to science fact. Using state-of-the-art visual effects, it will take viewers on a journey that is both breathtaking and terrifying, from the outer reaches of the universe to the inner world of DNA, with an around-the-globe tour in between.
