Ep. 11: How It All Ends

In this episode, Dr. Katie Mack gives John Green an idea of what to expect for the future of our universe. Head to https://policygenius.com/crashcourse to get your free life insurance quotes and see how much you could save.This show is a production of Complexly. If you want to he ...  Show more

In our journey through the history of the entire universe, we have finally reached the present. Before we continue moving forward in our timeline, John has some questions for Katie that he's been holding back. Head to https://policygenius.com/crashcourse to get your free life ins ...  Show more