David Henkin, a history professor at UC Berkeley, reveals the surprising origins of the seven-day week, explaining how this artificial concept shapes our lives and schedules today. Additionally, Jonathan B. Losos, an evolutionary biologist, shares the fascinating journey of cats from wild animals to beloved household pets, detailing their domestication alongside human agriculture. Together, they explore the importance of these timelines and companions in our modern existence, highlighting how our routines and relationships have evolved.