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PBS Newshour

How little of the deep seafloor humans have ever seen

Season 2025 Episode 130 | 5m 15s

The deep sea covers about two-thirds of the Earth’s surface, but according to a new study, humans are estimated to have observed less than .001 percent of the deep seafloor — an area roughly the size of Rhode Island. Stephanie Sy speaks with the study’s author, Katy Croff Bell, who is working to change that.

Major corporate funding for the PBS NewsHour is provided by Care.com, Consumer Cellular, and Fidelity. Funding for the PBS NewsHour Weekend is provided by Mutual of America. For a complete list of funders for the PBS NewsHour and PBS NewsHour weekend, click here.
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