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Nearly 350 species of fish have specialized anatomical structures that generate and detect electrical signals. Underwater, where light is scarce, electrical signals offer ways to communicate, navigate, find, and sometimes stun prey. But how do these fish produce electricity? And why? Eleanor Nelsen illuminates the science behind electric fish.
Lesson by Eleanor Nelsen, directed by TOTEM Studio.
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View full lesson: https://ed.ted.com/lessons/how-do-fish-make-electricity-eleanor-nelsen
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