Episode
This Sea Is the Most Mysterious in the World
- Podcast
- Bright Side Universe
- Published
- Jul 17, 2026
- Duration seconds
- 710
- Processing state
not_requested- Canonical source
- https://traffic.megaphone.fm/ADME5431904668.mp3
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Summary
The Black Sea is full of mysteries and interesting facts! Using remote-controlled vehicles, researchers found more than 40 ancient sunken ships in great condition underwater. There's a theory called "The Black Sea Deluge Hypothesis," which suggests the Black Sea was once a big freshwater lake that flooded quickly, in just 1-3 years. Beneath the sea, there’s a vast network of tunnels that might connect Romania and Turkey, with chisel marks showing they were man-made, but no one knows who made them. Plus, the Black Sea has two layers of water: a habitable freshwater layer on top and a deep, salty layer below where only bacteria and microorganisms live. Learn more about your ad choices. Visit megaphone.fm/adchoices