Experimenters Nathan and John visit Nina in her workshop and discover that building bricks in a special pattern makes walls strong. Next they have a go at building themselves to find out how builders make holes in walls for windows and doors. Finally, they visit an unusual house in Poland to see how walls hold houses up.

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

Meet the Neurons (0:55); --How Are Houses Built (2:09); -- Senses Experiment (2:57); -- Supporting Windows and Doors (2:15); -- How Roofs and Floors Stay Up (3:21); -- Summary: How Are Houses Built (0:35); -- Credits: Houses—Nina & the Neurons: Get Building (1:58); .