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A unique coral reef in Papua New Guinea shows what the future may hold as oceans acidify.
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A sunken German U-boat off the coast of New Orleans tells the story of Operation Drumbeat.
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Is math invented by humans, or is it the language of the universe?
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Explore the deepest mysteries of the early universe and the quest to find the Higgs Boson.
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The catastrophic collapse of the ground beneath our feet is a growing worldwide hazard.
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A team of 500 engineers and divers struggle to raise the Costa Concordia cruise ship.
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As internet connections multiply so do points of attack and risks to national security.
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As the epidemic threatens to spiral out of control, scientists race to find a cure.
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Explore the forces behind deadly landslides—and the danger zones for the next big one.
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He risked his life for the nation and became a world icon, but who was Neil Armstrong?
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Explore the buried clay warriors, chariots, and bronze weapons of China’s first emperor.
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Meet Spinosaurus—the lost killer of the Cretaceous and the world’s larger predator ever.
