NASA's Curious Universe 
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Before astronauts head to space, they have to dive into the Neutral Buoyancy Lab. Take a swim in NASA's underwater training ground with astronaut Nick Hague.
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Podcast episodes are one of the highest-density ways to absorb English at native pace. The Astronaut Training Pool from NASA's Curious Universe gives you natural dialogue, unscripted speech, and vocabulary that actually appears in real conversations.
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