Could We Map the Sea Floor Soon?

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i spoke to vicki ferrini, senior research scientist at columbia university. She says it's realistic to expect a map of the sea floor within our lifetimes. Half of the oxygen in the atmosphere comes from the ocean,. So we're all really deeply connected to it. We just don't know what we don't know.

Earlier this year, Nicole Yamase explored the bottom of the Challenger Deep, the deepest place in the ocean, where few people have ever been. The rest of the seafloor is almost as mysterious — 80 percent remains unmapped — but the few glimpses scientists have gotten have completely revolutionized our understanding of the planet.

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