Summary: In Episode 41, Demetri Kofinas speaks with Jim Holt about the philosophy of science, ethics, and metaphysics. Jim Holt is on a quest to understand the universe. Why does the world exist? What is infinity? Is time real? Unfortunately, answering the perennial questions posed by metaphysics is no easy task. Here, Jim Holt tests the limits of our explanatory powers, walking us towards the edge of science and philosophy by pursuing answers to the cosmos' greatest mysteries. Follow us at @hiddenforcespod
