While Nasa makes headlines for exploring space, the National Oceanic and Atmospheric Administration (NOAA) has been exploring the ocean. But to what extent?
Considering the oceans account for 99% of the Earth's total living space, with 321 million cubic miles of water, it's a Herculean task.
READ: This campaign is aimed at increasing ocean protection in SA to 10% - how you can contribute
For more watch the above video.
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