Word: containment
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Dates: during 1950-1959
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...visual recordings show that most birds' songs are not intended for clumsy human ears. A few of them (e.g., the songs of whippoorwills and song sparrows) can be heard complete, but others contain many parts that are too high-pitched. When heard by human ears, the golden crowned kinglet's song, for instance, must be a pale shadow of what it sounds like to another golden crowned kinglet, which can appreciate all of its highest notes...
Birds' ears must also be quicker than human ears. Some of the songs of warblers, for example, are full of musical phrases set so close together that they cannot be heard separately. Even apparently simple songs contain quick musical details that slip past human ears. On studying the visual records, the scientists found that many birds are musical gymnasts, playing on their vocal organs as if they were string quartets. The blue jay, for instance, can sing what amounts to a major chord, holding a low note and a high note simultaneously; then after a hundredth of a second...
RETAIL TRADE Boomtowns on the Byways On 70 acres in Yonkers, N.Y. last week, builders were working on a $30 million shopping Center, the biggest in the East. The Cross County Center, seven miles from Manhattan, will contain one of the biggest supermarkets (First National Stores) ever built on the Eastern Seaboard and a $5,500,000 Gimbels' branch, its first in the New York area. The 5,40O-car parking lot will be big enough to handle 25,000 cars...
...Milwaukee's $15 million, 105-acre Westgate shopping center, which will contain Gimbels and Marshall Field department stores, an office building, and parking for 7,500 cars...
...Latin America have wrapped their tough, fresh-killed meat in leaves from the papaya tree before cooking it. They never knew why. but the leaves made the meat tender, kept in its juices. For decades scientists have known why: papaya leaf and the juice of the papaya fruit contain an enzyme which breaks down protein tissue in the same way as the stomach's digestive juices...