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NOVA

How to watch the eclipse without burning your eyes

Looking at the sun without eclipse glasses, even when 99% of the Sun is covered by the Moon, can cause retinal damage in your eye. Here’s the science behind why, and how you can protect your eyes.

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Ocean Invaders
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53:32
Meet one of the ocean’s most beautiful and destructive species: Lionfish.
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53:43
A team tackles the restoration of iconic Notre Dame Cathedral.
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53:31
Can innovative engineering projects save Venice?
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Can innovative drugs and therapies finally end HIV?
Ultimate Space Telescope
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Discover how NASA engineers built and launched the most ambitious telescope of all time.
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53:20
How could a single ship cause a major supply chain crisis around the globe?
Great Mammoth Mystery
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Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.
Arctic Sinkholes
53:30
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53:31
Explore great ancient Maya cities and why their inhabitants abandoned them.
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