Word: mi
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...trans-Alaska pipeline is in full operation, Alaskan oil is flowing in great volume overland. But its journey to U.S. West Coast ports may soon be interrupted at sea -by icebergs in the tanker shipping lanes. The source of these floating hazards is the Columbia Glacier, a 425-sq.-mi. mass of ice that ends less than seven miles from the tanker lanes for Port Valdez...
While the Coast Guard watches Alaska's "growlers," British scientists are tracking something bigger: a 768-sq.-mi. Antarctic iceberg adrift in the South Atlantic and heading slowly for Africa. But the penguin-inhabited berg, 36 times the size of Bermuda, poses no threat to shipping; it should break up and melt as it hits warmer waters...
...ships, are now so choked by sand bars that a canoe can barely nose through. Bridges cross dry gulches overgrown with weeds and shrubs. Many once plentiful plants and birds are gone, and human beings who live there are disfigured by skin cancer. The scene is 300 sq. mi. in the Brazilian state of Espirito Santo, a once lush strip north of Rio de Janeiro that is now on its way to becoming a desert. The cause of this ecological disaster...
...Karamarda Pass. Instead of trying to fight through the pass, a combined combat force, estimated at 68,000 Ethiopians and 7,000 Cubans, simply went over the mountains. Light armor -tanks or armored personnel carriers -was airlifted behind the lines of the surprised Somalis by Soviet heavy Mi-6 or Mi-8 helicopters based at Dire Dawa. The Somalis had been pinned down by repeated MiG-17 and MiG-21 air strikes flown by both Ethiopian and Cuban pilots. Caught between the airlifted forces and ground units moving through the pass behind Soviet T-55 tanks, Somali units were...
...meet Jack Tessman, a physics professor at Massachusetts' Tufts University. To win a local television contest, the latter calculated the number of snowflakes that fell on Boston during February's monster storm. He multiplied the average snowfall depth (27 in.) by the area of Boston (43 sq. mi.), then divided the result by the volume of the average snowflake (1/10,000 cu. in.). Answer: 50 quadrillion (5 X 10 16) snowflakes. His prize: a Tessman family portrait-in snow...