It turns out that Cameron has a hobby: deep-sea exploration.
It joins a list of five deep-sea exploration vehicles that have been lost or near-fatally damaged on the job since 2003.
Researchers are also exploring how deep-sea trenches bury carbon and other chemicals in the seafloor.
Two years—and half a dozen deep-sea expeditions later—the geological world is abuzz.
Built in 2008, Nereus featured completely new technology to meet the unique challenges of deep-sea exploration.
There are two kinds of leads: the hand lead and deep-sea lead.
Your deep-sea fisherman, after all, is only a fisherman at bottom.
He had struck feet first and suffered no harm, but had gone down like a deep-sea lead.
The deep-sea fishermen exported a part of their catch, dried and salted.
For deep-sea or trade-route cruising the smaller craft were of little use.