Season 6, Episode 4 Cashing in on the Ocean
First Aired: February 1, 1979
Exploring how multinational mining groups are vying for manganese nodules on the floor of the Pacific Ocean. The major obstacle is a 1970 UN declaration that says no mining claims can be staked in international waters. Also: a look at ships being developed to retrieve the nodules, and scientists' efforts to explain how they were formed.
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- Premiered: March 3, 1974
- Rating: None
- Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)