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The 6 Deepest Parts of the World’s Oceans Will Blow Your Mind

In September 1972, a research vessel called the USNS Hayes discovered the deepest part of the Arctic Ocean and named it after ...
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How Deep Is the Ocean?

What's at the bottom of the Mariana Trench, and how do we know? How deep does the ocean go? We'll answer these questions and more in this deep dive into the world's oceans. Come on in: The water's ...