# The science of symmetry

- Institution: TED
- Department: TED-Ed
- Speaker: Colm Kelleher
- Year: 2014
- Level: For everyone
- Language: English
- Subjects: Biology
- Source: [TED](https://www.ted.com/talks/colm_kelleher_the_science_of_symmetry)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

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.

## Lectures

1. [The science of symmetry](https://invisiblenetwork.ai/learn/ted/colm_kelleher_the_science_of_symmetry/0c3d442bf6bf), 5 min (TED's player)