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
Comments (3)
More Episodes
All Episodes>>
Get this podcast on your phone, Free
Create Your Podcast In Minutes
- Full-featured podcast site
- Unlimited storage and bandwidth
- Comprehensive podcast stats
- Distribute to Apple Podcasts, Spotify, and more
- Make money with your podcast
It is Free