While NASA makes headlines for exploring space, NOAA has been exploring the ocean... And discovering the mysteries of the deep. The oceans account for 99% of Earths total living space, with 321 million cubic miles of water! And yet, we still no so little about them! But, according to the National Oceanic and Atmospheric Administration, there are good reasons why we havent ventured to the bottom of the sea...

In this video, Unveiled finds out why we havent fully explored the ocean yet. What do you think? Why are the mysteries of the sea still unsolved?

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