Why We Still Don't Know What Lives in the Mariana Trench
About this video
We tend to imagine that modern submarines and robots have fully mapped the Mariana Trench. But the truth is far stranger: over 80% of the ocean remains unmapped, and only three manned descents have ever reached the deepest point. Full video — Why We Still Don't Know What Lives in the Mariana Trench: https://www.youtube.com/watch?v=LAN0_jqicNE
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