Word: oceanic
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Caves can be pounded into existence by ocean waves, plowed open by ice or formed by lava. But to speleologists, the most interesting are those that have been etched out of limestone by acidic water flowing underground. For a long time, researchers believed that nature could accomplish this feat in only one way: through the action of carbonic acid, which is produced when water reacts with carbon dioxide. The weak acid slowly dissolves bedrock. An underground stream forms, and an elaborate network of chambers like those found at Mammoth Cave in Kentucky takes shape. The unusual limestone terrains where this...
Clinton and Reich met on an ocean liner in 1968, when they were on their way to study at Oxford University as Rhodes scholars. They grew closer after Reich, miserably seasick, opened his stateroom door to find Clinton standing there with chicken soup and crackers, determined to nurse him back to health. Ever since, the two, along with mutual friends from Oxford, have participated in an on-and-off, two-decade "conversation" about how America and its economy should be governed. "Bill has had all of my books inflicted on him," Reich says, "and has done me the honor...
Kateb, author ofThe Inner Ocean: Individualism and Democratic Culture is well known for tackling such issues as nuclear deterrence and problems of representative government...
Waves created by seismic disturbances travel to and from points on the earth at different speeds depending on the material between the points. For instance, hot areas like mid-ocean ridges slow down waves, while cooler areas, such as continents, allow them to travel at faster-than-average speed...
Geologists hope to drill into the ocean floorsoon to plant seismographs whose measurements willnot be affected by poor conduction in water...