Mass drug administration for neglected tropical diseases (NTDs) has nearly eliminated river blindness and lymphatic filariasis.
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The highest recorded ocean wave exceeded 80 feet in height.
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There is a river in the ocean — the Gulf Stream moves more water than all of Earth's rivers combined.
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Some volcanoes erupt underwater.
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Whales are mammals and must breathe air.
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Some deep-sea creatures produce their own light through bioluminescence.
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Octopuses have rectangular pupils that give them nearly 360-degree vision.
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Jellyfish have existed for hundreds of millions of years.
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The immortal jellyfish can revert back to its juvenile state after reaching maturity, theoretically living forever.
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