Experimenters Billy and Katy visit Nina in her workshop and discover why domes are a good shape to build. Next, they visit lots of really big domes to see what shapes they are made from. Finally, they do an experiment that explains why domes are built in a special way.

Originally released by BBC, 2015. Streaming video file encoded with permission for digital streaming by Infobase on January 17, 2017.

Meet the Neurons (0:56); --How are Domes Built? (1:55); -- Senses Experiment (3:37); -- Eden Project in Cornwall (3:14); -- How Do the Domes Stay Up? (2:01); -- Summary: How are Domes Built? (0:38); -- Credits: Domes—Nina & the Neurons: Get Building (1:59); .