Architectural research at the D-ARCH is genuinely interdisciplinary. Depending on the perspective and the question posed, methods from the social sciences, the humanities, engineering, and the material and spatial sciences—specific or complementary—are brought into play. This wide-ranging expertise resides above all in the institutes of the D-ARCH: The Institute for the History and Theory of Architecture (gta), the Institute of Technology in Architecture (ITA), the Institute of Historic Building Research and Conservation (IDB) and the Network City and Landscape (NSL) are closely linked with the design studios through the interdisciplinary definition of task. Their findings flow into the architectural teaching. This knowledge is complemented by our collaboration with other divisions of ETH Zurich, such as the humanities, social and political sciences, as well as the material, environmental and engineering sciences.