Deep below the ocean’s surface is a mysterious world that takes up 95% of Earth’s living space. It could hide 20 Washington Monuments stacked on top of each other. But the deep sea remains largely unexplored. Dive down 650 feet (one monument or 200 meters), and you notice that light starts fading rapidly. Dive deeper: the temperature drops and pressure rises. At 13,000 feet (20 monuments or 4,000 meters), the temperature hovers around freezing, and there’s no sunlight at all. Yet there is life -- an astounding variety of creatures that will boggle your mind. You can’t dive to the deep ocean on your own, of course. But scientists now have a variety of sophisticated technologies to explore this vast frontier. What they’re finding will amaze you.
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