This episode covers a lot of ground but look out for these key topics 
The difference between Soundsheds and Soundscapes
Sound is how we see underwater ( acoustic daylight )
The ocean of things
Whales might be the cube satellites of the ocean
We know more about the surface of Mars than we do about the seafloor of our planet
Space is hard but the ocean is harder! 
Can we soundproof the ocean with bubble curtains?
Sponsored but regrid.com
 
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You might also enjoy the episode called " Mapping The Ocean Floor" https://mapscaping.com/podcast/mapping-the-ocean-floor/
 
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