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The science of symmetry - Colm Kelleher

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TEDEd Animation

Let’s Begin…

When you hear the word symmetry, you might think generally of triangles, butterflies, or even ballerinas. But defined scientifically, symmetry is “a transformation that leaves an object unchanged.” Huh? Colm Kelleher unpacks this abstract term and explains how animals' distinct symmetries can tell us more about them -- and ourselves.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Colm Kelleher
  • Director Andrew Foerster
  • Artist Sarah Pedro
  • Script Editor Emma Bryce
  • Narrator Colm Kelleher

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