What if everything we think we know about collaboration is based on only 5% of the world's population? Developmental psychologist Heidi Keller challenges Western assumptions about teamwork, parenting, and collective action by drawing on decades of cross-cultural research with families across Africa, Asia, and South America. Subscribe for more episodes exploring how collaboration works across cultures. Heidi Keller, director of Nevet at the Hebrew University in Jerusalem, brings an evolutionary and anthropological lens to a concept most researchers treat as universal. Her longitudinal studies of families across multiple continents reveal that collaboration means fundamentally different things depending on cultural context , and that ignoring this difference has real consequences for policy, development aid, and migrant integration. The core distin ...