The Kaaba marks the geographic center of the Islamic world, and here one finds Al-Hadjar Al-Aswad, the Holy Black Stone of Mecca. Islamic traditions hold that the once white white stone blackened with humanity’s sins, but various scientific theories point to geological and potentially cosmic origins. In this episode of Stuff to Blow Your Mind, Robert and Joe discuss the mythic, historical and scientific substance of the Kaaba. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

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