The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
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NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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The Caspian Sea is also classed as the world's largest lake.
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
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Water is actually naturally blue.
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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