The finding, published in Current Biology, extends examples of symmetry in biology to the behavior of communities and the architectural structures that they build. In addition to the simple beauty ...

1: Warm up: Moving parts of the body in symmetry. 2: Symmetrical shapes: Working on their own, the children create symmetrical body shapes based on the man-made objects they have observed.

Watch the video from BBC Teach to see examples of a mirror line. This pattern is made of squares. The finished pattern has vertical symmetry. Some of the squares are filled in, can you see how to ...