This is a 10min talk Carlo Colantuoni gave in the June 2025 BICAN (BRAIN Initiative Cell Atlas Network) Spring Meeting summarizing the resources, approach and findings in our upcoming publication in Nature Neuroscience (Sonthalia et al: https://www.nature.com/articles/s4159.... The Compendium of public multi-omic data focused on the developing neocortex that we assembled and leveraged in the study is freely explorable for all at to explore: https://nemoanalytics.org/landing/neo.... Learn more at: https://www.carlocolantuoni.org/