Cosmic Journeys S01E07 - When Will Time End

Time is flying by on this busy, crowded planet as life changes from second to second. At the same time, the arc of the human lifespan is getting longer: 67 years is the global average, up from just 20 years in the Stone Age. How much time does the universe have? The answer may depend on whether Stephen Hawking was right in his theory that describes how black holes shed mass and eventually decay.