Dr Robert Ballard is the greatest underwater explorer of his generation. But he reckons the tough job of shining a light into the abyss has only just begun. The oceans cover 71 percent of the planet – a mere 5 percent of which has been explored. In that 5 percent, Ballard has found the Titanic, the Bismarck, the carrier Yorktown and entirely new forms of life. Just think of what’s waiting for us in the remaining 95 percent!
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