Beneath the world’s darkest waters, divers have encountered massive, ancient predators with razor-sharp teeth and serpentine bodies that have left survivors traumatized and scientists baffled about what truly lurks in the unexplored depths.

Beneath the world’s darkest waters, divers have encountered massive, ancient predators with razor-sharp teeth and serpentine bodies that have left survivors traumatized and scientists baffled about what truly lurks in the unexplored depths.
Hundreds of grown adults spend four days staring at a lake, and call it “research”