TED-Ed

Colm Kelleher: The science of symmetry (2014x56)

Ημερομηνία προβολής: Μάϊ 13, 2014

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.