Word: sacs
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Dates: during 1930-1939
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Most important of musky-smelling ani. mals is the musk deer. The secretion from a small sac found in the male causes the pungent odor, is used in many perfumes. "Musk" was originally the name of musk deer perfume, later was transferred to all animals and plants which had a similar odor. Some musk animals: muskrat, musk duck, musk beetle, musk shrew, musk turtle, musk kangaroo. Plants: musk mallow, musk root, musk clover, musk orchis, musk okra...
Scientific men have explored rivers, seas, mountains, jungles; with heavy drills they have probed into the earth, with powerful telescopes into the skies. Of the sac of gases about the earth they have learned little. Reason: the density of the atmosphere decreases so rapidly that at eight miles it will barely support an airplane, at 23 miles a small free balloon has reached its roof...
...poured in and blazed. Latest reports were that the original locust offensive had been checked in Egypt, but a second wave was expected when eggs deposited in billions by locusts now dead should hatch. At each lay a single female locust deposits 8,000 eggs in a glutinous egg sac about the size and shape of an ordinary druggist's capsule...
...Oliver Heaviside and A. E. Kennelly formulated in 1902 their "radio roof" theory: that Earth is surrounded by a sac of ionized ether which acts as a reflector (or conductor) of radio signals. During daytime the sun's light pushes this layer closer to Earth, lessens efficiency of reception. At night the layer rises, reception reaches maximum efficiency...
Heart "Brake." Long has the pericardium, a fibroserous, inelastic membrane which surrounds the heart, been a puzzle to physiologists. Its function has been discovered by George Crisler and Edward Jerald Van Liere of the University of West Virginia. The inelastic sac acts as a brake, keeps the heart, the muscular control of which, is not sufficient to prevent undue dilation, from going out of bounds, breaking...