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 help keep Cras...
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 help keep Crash Course free for everyone, forever, you can join our community on Patreon at http://www.patreon.com/crashcourse
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