Assoc Prof Sierin Lim is a BioEngineer at the NTU institute of Health Technologies, and Lecturer. Bioengineering is a broad field which includes Genetic engineering, Design of medical devices, Tissue engineering for organs , Biopharma, Ecological engineering and other areas that improve the living standards of societies. Grace and Lena explore Prof Sierin's insights into BioEngineering for healthcare, water desalination and food.