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How Do Geckos Defy Gravity? - Eleanor Nelsen

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 Biology   |   Environmental   |   Physics   |   Science
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View full lesson: http://ed.ted.com/lessons/how-do-geckos-defy-gravity-eleanor-nelsen

Geckos aren’t covered in adhesives or hooks or suction cups, and yet they can effortlessly scale vertical walls and hang from ceilings. What’s going on? Eleanor Nelsen explains how geckos’ phenomenal feet allow them to defy gravity.

Lesson by Eleanor Nelsen, animation by Marie-Louise Højer Jensen.

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