Word: arctic
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...third tallest moun tain in the world and probably the world's most majestic when its snowy peaks are lit by the sunrise and borne aloft on lacy clouds. Sikkim contains every variety of climate and plant, from the subtropical through the temperate to the arctic. Snow leopards prowl the Himalayan slopes, pandas frolic in the forested gorges, clouds of butterflies hover over 3,000 different kinds of rhododendron and 400 types of orchid...
...from elephants lumbering through the bush with ears spread like spinnakers to a striped chameleon inching its way into the center of a hibiscus flower. Animal Worlds, with photographs by Ylla, Fritz Goro, Eliot Porter and others, pursues fish, bird, insect and animal life from the tropics to the Arctic, with a text that makes their various worlds admirably clear...
...north around the Arctic Circle, scientists and engineers have been engaged for years in a cold war that knows no politics. From both sides of the Iron Curtain, volunteers enlist in the fight against a common enemy: permafrost, the iron-hard layer of dirt and rock bonded together by year-round ice. Permafrost underlies 20% of the earth's land area. It is 150 ft. thick at Fair banks, Alaska, more than 2,000 ft. thick beneath the Taimyr Peninsula in Russia. Permafrost blocks well shafts, freezes oil drills, makes water piping and sewage disposal costly, heaves...
...become more severe. Sanitary Engineer Amos Alter, 47, chief engineer of the Alaska Department of Health, detailed some of the elaborate methods now being tried for heating and pumping sewage in his burgeoning cities. And in a far-out speculation of his own, he suggested that in the future arctic liquids and wastes could be purified and recycled in "some sort of closed-circuit arrangement" that would treat whole cities in the manner now planned for two-man space capsules...
...Chow Line. For the more fortunate, it was a ten-hour, nonstop trip in 600-m.p.h. C-135s that skirted the Arctic Circle on the northern route...