I am really dedicated to understanding the planet/creature on which we live and know that means I must go beneath the sea to see 72 percent of what is going on.

The Titanic will protect itself.

Most of the southern hemisphere is unexplored. We had more exploration ships down there during Captain Cook's time than now. It's amazing.

What drives me is exploration with a purpose, more the classic Royal Geographical Society genre.

I think the most important thing people can do to save our planet and the human race is to empower women!

Everything I'm going to present to you was not in my textbooks when I went to school ... not even in my college textbooks. I'm a geophysicist, and [in] all my Earth science books when I was a student - I had to give the wrong answer to get an A.

It's not a huge surprise that there are habitations at the bottom of the Black Sea.