In Part 1, Hyunsoo Shawn Je, an associate professor from the Neuroscience & Behavioural Disorders Programme at Duke-National University of Singapore (NUS) Medical School in Singapore, discusses making models of a mini version of the brain using human stem cells and how this can lead to cures for diseases like alzheimer’s or autism. In the second part of the interview, In-Hyun Park, an associate professor of genetics and an associate professor in the Child Study Center at Yale Stem Cell Center, shares how he makes models of the Rett Syndrome using human stem cells and is currently working on finding a cure. Both guests talk about the future of finding a cure by this alternative method of using stem cells to make models for their diseases.