Exploring the Deepest, Darkest Spots on Earth

Very few people will ever visit the ocean’s depths. This hour, Ira Flatow talks with a few who have, like divers Sylvia Earle and John McCosker, who’ve discovered flashing fish and spotted sharks in the deep. And filmmaker James Cameron joins to discuss his dive to the bottom of the Mariana Trench.

Segment Guests

Sylvia Earle

Oceanographer Sylvia Earle is founder of Mission Blue and an explorer-in-residence with the National Geographic Society. She’s based in Oakland, California.

James Cameron

James Cameron is an Explorer-in-Residence at the National Geographic Society. He is also a filmmaker and is based in Los Angeles, California.

John McCosker

John McCosker is Chair of Aquatic Biology at the California Academy of Sciences. He is based in San Francisco, California.