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	Podcast:		Stuff You Should Know
	Episode:		How Blue Holes Work
	Category:		Society & Culture
	Duration:		00:36:41
	Publish Date:		2021-02-18 10:00:00
	Description:		Geologists and biologists have recently realized that the planet’s oceans and coasts are littered with a unique type of ecosystem called blue holes, submerged sinkholes that were once dry caves. They are turning out to be weird and amazing places. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
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