Florida man who calls himself 'Dr. Deep Sea' resurfaces after spending 3 months and 9 days underwater to extend 'human tolerance for the underwater world'
The college professor conducted daily experiments while he was under. He also met online with several thousand students and taught a course.
![Florida man who calls himself 'Dr. Deep Sea' resurfaces after spending 3 months and 9 days underwater to extend 'human tolerance for the underwater world'](https://content.fortune.com/wp-content/uploads/2023/06/AP23160597986384-e1686402140447.jpg?w=2048#)