`` Titanic '' director James Cameron only person to reach deepest point of ocean solo . Hunched over in futuristic 7 meter pod , Cameron explores ocean floor on research mission . Comment: Discovered 68 new species of marine life never seen by scientists .
`` Titanic '' director James Cameron only person to reach deepest point of ocean solo . Hunched over in futuristic 7 meter pod , Cameron explores ocean floor on research mission . Expedition could help predict deep sea earthquakes , which cause tsunamis . Discovered 68 new species of marine life never seen by scientists .