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The On Being Project

Image By Bates Littlehales/National Geographic
Her Deepness

Sylvia Earle

Her Deepness

Sylvia Earle has done something no one else has — walked solo on the bottom of the sea, under a quarter mile of water. She tells what she saw — and what she has learned — about the giant, living system that is the ocean. And, she explains why seeing a shark is a sign for hope.

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