File this under "stranger than fiction": In more than a dozen sites across Gabon, scientists have found evidence of ancient nuclear reactors. How ancient? Try two billion years. But how did this happen? Why? Find out in this classic episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com They don't want you to read our book.: https://static.macmillan.com/static/fib/stuff-you-should-read/ See omnystudio.com/listener for privacy information.