New Smithsonian Ocean Hall opens Saturday

WASHINGTON (AP) -- Covering more than 70 percent of the planet's surface, the ocean is both a life-giving resource and a highway. Yet it's also a life-threatening obstacle, hiding untold mysteries. More people have stood on the moon than have visited the ocean's deepest recesses. Now the scholarly, or those just curious, can plumb the depths of the seas with the opening Saturday of the new Sant Ocean Hall at the Smithsonian's National Museum of Natural History....

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