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Can South Carolina's Salt Marshes Be Saved?
Beyond being important to both the economy and marine life in the South, salt marshes also serve as buffers, shielding communities on the coast from erosion and dangerous weather events. But in South Carolina, which boasts the largest expanse of salt marsh of any Atlantic state, these ecosystems are in decline.
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Explore great ancient Maya cities and why their inhabitants abandoned them.
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53:28
Take a tasty look at insect foods that could benefit our health and our warming planet.
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Join the hunt for the universe’s most common—yet most elusive and baffling—particle.
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As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
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Scientists race to help corals adapt to warming oceans through assisted evolution.
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NASA launches its most ambitious search yet for traces of ancient life on Mars.
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Discover the fascinating chemistry that makes our world and everything in it—including us.
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Discover the fascinating chemistry that makes our world and everything in it—including us.
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Discover the fascinating chemistry that makes our world and everything in it—including us.
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Scientists look to geoengineering and other methods to cool the planet.
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1:33:41
We can now edit the human genome with a tool called CRISPR. But how far should we go?