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Scientists from the US National Oceanic and Atmospheric Administration (NOAA) have been cruising the seas above the Marianas trench - it's the deepest underwater trench in the world. Their robot dived 6 kilometres down to stream live everything in its path. This way, the researchers discovered 'never before seen creatures' and gathered new data about life deep underwater. (Picture: Blind Deep-sea Lobster discovered during Dive 8; Credit: NOAA)
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