Im a geophysicist and all my earth science books when I was a student, I had to give the wrong answer to get an A. We used to ridicule continental drift. It was something we laughed at. We learned of Marshall Kays geosynclinal cycle, which is a bunch of crap. – Robert Ballard
Most of the southern hemisphere is unexplored. We had more exploration ships down there during Captain Cooks time than now. Its amazing. – Robert Ballard