What's at the Bottom of the Fosse Dionne Spring?

France's beautiful Fosse Dionne spring has been keeping its secrets close for centuries -- no one has ever found its source. Learn the myths and history surrounding it in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/geophysics/fosse-dionne-spring.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.com