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Much larger than the blue whale. Eventually, scientists suggested the sound may have come from cracking Antarctic ice. But even today… many people still question that explanation. Because the deep ocean remains one of the least explored places on our planet. More than 80 percent of the ocean f…

Much larger than the blue whale. Eventually, scientists suggested the sound may have come from cracking Antarctic ice. But even today… many people still question that explanation. Because the deep ocean remains one of the least explored places on our planet. More than 80 percent of the ocean floor is still unmapped. And in the darkness miles beneath the surface… there could be creatures… we haven’t discovered yet.