A highlight from In deep: Why mining is heading to the seafloor

Automatic TRANSCRIPT

By climbing inside elven. So you're lowered into the water. Elvin is a submersible vehicle that fits just three people. And it's taken thousands of scientists down into the deep ocean over more than half a century, including doctor aime gartman and oceanographer at the U.S. geological survey. And then Albin starts to sink and as we continue add dissent. To a scuba diver, you know, a deep dive is 30 or 40 meters. Doctor Tim O'Hara is a senior meringue curator at museum's Victoria. To a submarine a deep dive is 300 meters. You see the ocean go from bright blue to deeper navy blue and then light persists to a thousand meters. We can't see anything else. We're usually typically smashing our faces to the window, trying to see if there's anything exciting going on in the darkness. But

Coming up next