Word: layering
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Dates: during 1960-1969
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...transmitted more pictures (18,006) to earth than Surveyors 1 and 3 together, also confirmed the presence of some iron compounds on the moon. Focusing on a powerful magnet that scientists had attached to one of the spacecraft's footpads, the camera transmitted pictures of a thin layer of dust-kicked up in the landing-on the magnet. By comparing these shots with control pictures made on earth, where dirt with known percentages of iron filings had been scattered on a magnet, the scientists established the presence of iron compounds...
...different and less dramatic mission-but one that may be even more important. In the populous, rice-rich and Viet Cong-ridden province of Binh Dinh on the South China Sea, midway between Saigon and Danang, it is fighting what the Pentagon calls "the intermediate war." That is the layer of the war that lies between the glamorous big-unit battles and the paddy-level process of pacification, and combines a little of both. Its aim: to root the Viet Cong headmen, tax collectors and policemen out of the Binh Dinh villages that they have so long owned...
Situation: The enemy commands a steeply rising stretch of rocky hills some 40 miles long, providing clear fields of fire on the plains below. Three separate lines of defense run along the hillsides, one above the other. Each line has its own triple layer of mines, barbed wire and heavy fortifications, for a total of nine miniature Maginot Lines that must be breached to reach the final plateau...
Under that layer is the work of an attractively gifted singer, her husky, throbbing contralto giving off a languor that occasionally approaches drowsiness, her guitar unexceptional but sufficient. Though a newcomer to solo circles, Bobbie is clearly a pro. Her first song, composed at the age of seven, was picked out on the family's upright piano, and had to do with her English shepherd, Sergeant. Later came studies at the Los Angeles Conservatory and U.C.L.A., but not for long. Since the age of 17, Bobbie has supported herself in assorted musical jobs, working...
...layers of the skin involved in the sun-screening process are visible under a microscope. Below the skin's outermost horny layer, or stratum corneum (see diagram), lies a germinative layer where, on exposure to sunlight, the pigment-producing cells are stimulated to produce more melanin-and a suntan. The black races (Negro, Bushman-Hottentot and Australoid), with a more abundant supply of melanin, are in effect, perpetually tanned. Members of the white race are transparent-skinned in winter, when they must make the most of the limited ultraviolet avail able to synthesize vitamin D, but they take...