Ep. 9: The Cosmos and Us

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 insurance quotes and see how much you could save. This show is a production of Complexly. If you want to help keep Crash Course free for everyone, forever, you can join our community on Patreon at http://www.patreon.com/crashcourse See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.