Sylvia Earle, pioneering oceanographer, reflects on her groundbreaking 1979 deep-sea expedition where she achieved the deepest untethered ocean floor walk at 1,250 feet using a specialized JIM suit. Now showcased at the National Geographic Museum of Exploration, Earle revisits this transformative moment and discusses her continued passion for marine conservation and ocean discovery. Her legacy demonstrates humanity's capacity to explore extreme underwater environments and underscores the critical importance of protecting our planet's oceans for future generations.

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