Is there purpose or meaning in the Universe? We ask Sean Carroll for his understanding of a meaningful or meaningless cosmos. Sean Carroll is Homewood Professor of Natural Philosophy at Johns Hopkins University and fractal faculty at the Santa Fe Institute. His research focuses on fundamental physics and cosmology. | Closer To Truth

What can cosmology inform us about the structure of the universe? What can the subatomic particles of our universe teach us about life and reality? Steven Weinberg was an American theoretical physicist and Nobel laureate in Physics for his contributions to the unification of the weak force and electromagnetic interaction between elementary particles. | Closer To Truth