Explore the fascinating world of wet foams in this comprehensive lecture by Douglas Durian, part of the "Soft and Living Matter: From Fundamental Concepts to New Material Design" program. Delve into the complex physics behind these ubiquitous structures, examining their properties, behavior, and applications across various fields. Learn how concepts from dynamical systems, fluid dynamics, and statistical physics apply to wet foams, and discover their relevance in biology, engineering, and industry. Gain insights into the interdisciplinary nature of soft matter physics and its wide-ranging implications for everyday life and cutting-edge research.