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NOVA
Why Antibody Tests Don’t Yet Reveal Coronavirus Immunity
Our producer gets her own blood tested and investigates what exactly these “magic” molecules are, why public health professionals are eager to roll out antibody testing, and just what antibody tests can—and can’t—tell us.
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Explore great ancient Maya cities and why their inhabitants abandoned them.

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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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A revealing new investigation of one of history’s most iconic aviation disasters.

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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.

53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.

53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.

53:31
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?