In this episode of Talk Nerdy, Cara is joined by University of Oregon Biophysicist Dr. Raghuveer Parthasarathy to talk about his new book, "So Simple a Beginning: How Four Physical Principles Shape Our Living World." They discuss how the principles of self-assembly, regulatory circuits, predictable randomness, and scaling underpin all of life on Earth. Follow Raghuveer: @RParthasarathy7