Morning Overview on MSN
Scientists discover blue hole so deep their gear still can't find the bottom
A massive underwater sinkhole off the coast of Mexico has swallowed every instrument scientists have lowered into it, and they still have no idea how far down it goes. The Taam ja’ Blue Hole, sitting ...
Scientists haven't been able to reach the bottom.
Deep in the South China Sea, scientists from Chinese marine research institutes, including the First Institute of Oceanography, have been exploring a vast underwater sinkhole known as the “Dragon Hole ...
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