For engineering, science is always the foundation of our work, either as an explanation of what we develop, or as the impetus for us to investigate a new concept to its application.
The area of Indigenous Science is a rich area of research, as it involves talking to different people around the country to present what their knowledge was about fire stick burning, medicine, tool making and resins.
See https://indigenousx.com.au/indigenous-science-goes-far-beyond-boomerangs-and-spears/