Check out our Patreon page: www.patreon.com/teded View full lesson: ed.ted.com/lessons/how-do-fish-make-electricity-eleanor-nelsen 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. Thank you so much to our patrons for your support! Without you this video would not be possible! Amber Wood, Ophelia Gibson Best, Cas Jamieson, Phyllis Dubrow, Michelle Stevens-Stanford, Aliyya Rachmadi, Eunsun Kim, Samantha Chow, Philippe Spoden, Mark Sasse II, Ayala Ron, Armando Ello, Manognya Chakrapani, Doreen Reynolds-Consolati, Simon Holst Ravn, Rakshit Kothari, Melissa Sorrells, Antony Lee, Husain Mohammad, Dino Hrnjić, Côme Vincent, Daniel Mardale, Alessandra Tasso, Zhufeng Wang, Astia Rizki Safitri.

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