Word: ocean
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Dates: during 1960-1969
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...line. Whether the enemy was a spear-swinging Somali shifta or a Japanese marine behind a clattering Nambu machine gun, the well-disciplined askaris of the K.A.R. could be counted on to attack as ordered. Last week, from the headwaters of the Nile to the beaches of the Indian Ocean, the Rifles were barking again. But this time their muzzles were trained on British troops and their own recently independent governments...
...vote. Now the blacks exercised their plurality in a more direct manner. Before the week was out, more than 500 Zanzibaris were dead, and the new government-packed with leftists loyal to Peking and Havana-threatened to make once-somnolent pro-Western Zanzibar the Cuba of the Indian Ocean...
Floating Shelf. Unlike the northern polar region, which is ocean covered with ice, the area around the South Pole is a large land mass above which a thick icecap can form. During relatively nonglaciated periods such as the present, Dr. Wilson calculates, ice builds up on Antarctica, and the southern icecap reaches higher and higher. The top of the ice remains very cold, but the bot om is warmed slightly by heat escaping from the interior of the earth. Finally, the combined effect of pressure from the thickening cap and geothermal warming below melts the ice at the bottom. This...
...maximum, figures Dr. Wilson, the ice shelf covers 10 million square miles of ocean, and its white surface reflects so much sunlight that the earth's heat input is reduced by 4%. The earth's general temperature falls a few critical degrees, and ice sheets begin to grow larger in the Northern Hemisphere too. The bigger they get, the more solar energy they reflect back into space, and the colder the earth becomes...
...Nibbling Ocean. This is what happened about a million years ago at the beginning of the Pleistocene, and the earth might have remained forever in perpetual deep freeze if not for a hid den weakness of the Antarctic icecap. As the ice spread out over the southern ocean, colder ice came in contact once more with the rock below it, freezing the slippery water layer between ice and rock (see diagram). This was the turning point. Held fast to the rock, the ice stopped moving. The ice shelf was nibbled away by the ocean, and the earth could capture more...