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Math news includes long division, Pascal program. John C. Bailar Jr., of Urbana, Ill., says he was "sitting in a very dull lecture and began to do ari...
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Math news includes long division, Pascal program

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58

July 8, 1991 C&EN

by Κ. Μ. Reese

The Cincinnati scientist has in­ duced adult feeding patterns in pos­ John C. Bailar Jr., of Urbana, 111., says sums who were removed from their he was "sitting in a very dull lecture mothers before they had fur or teeth and began to do arithmetic in my or their eyes were opened. The head to occupy the time" when he changes affect even the way infants found himself dividing 1 by 29, "us­ suckle. Infants normally use nega­ ing the long division we learned in tive pressure, but after solid food is grade school." He soon got out his introduced they switch to a lapping pencil, however, because the result­ motion, like adults. ing decimal goes on and on. It is "Our ultimate goal," German says, 0.0344827586206896551724137931, "is to develop a mechanical way of which is then repeated over and delivering formula, so infants with over. Bailar says he thinks this num­ immature nervous systems can feed ber "deserves publicity." normally." In Glenmoore, Pa., meanwhile, Glenn Kendro decided to write a Newton has no cookie, Pascal program on a VAX /VMS sys­ tem to look—successfully—for a Leibniz link doubted number that was covered here be­ Disappointment was expressed here fore he found it. Anyway, Kendro that the famous cookie, the fig newwrites, "My wife requests that you ton, was named after Newton, Mass., mention this discovery so that the not Isaac Newton (C&EN, May 20, time I spent on the home computer page 56). The idea was that Newton's with my head buried in this most contemporary, Gottfried Leibniz, has important of discoveries is not a to­ a cookie (the leibniz), so why not tal waste!" Newton? The possibility that New­ ton was named after Newton, which 9 would have offered a certain so­ Infants eating methods lace—has been blown out of the wa­ studied with x-ray movies ter by Bob Grossman, of Brookline, R. Z. German at the University of Mass. Cincinnati is using high-speed x-ray In the late 1620s, Grossman says, movies to study the eating methods a village was founded about a mile of infant pigs, possums, and pri­ up the river from Boston and named mates. The method reveals behavior, Newtowne. Isaac Newton (1642such as changes in the movements 1727) had yet to arrive. In 1638, John of the tongue and jaw muscles, that Harvard died and left his library would not be detectable from out­ and part of his fortune for the side the body. The idea is to clarify founding of the university. There­ the differences between infant and upon, Newtowne, the home of the noninfant eating methods so as to new university, was renamed Cam­ improve the nourishment of babies bridge after the English college and children who can't eat normal- town. A branch of Cambridge that was iy· called N e w Cambridge or Cam­ German recently has studied the weaning period of monkeys. She bridge Village, Grossman goes on, found, for example, that an infant was incorporated in 1688. In 1691, handed its first banana will try to the corporation changed its name to suckle it. "Then, all of a sudden," Newtowne, which eventually be­ she says, "it clicks. This is food. came Newton. Meanwhile, Wolfgang Forster of They're not really chewing at first, Jacksonville, Fla., is suspicious of the but they will swallow." German finds also that early in­ assertion that the leibniz was named troduction of solid food can change for Herr Baron Gottfried von Leib­ the feeding behavior of infants. This niz in the first place. Says Forster, "I finding suggests, she says, that adult doubt that His Excellency would feeding patterns are present in the have lent his name to such a prole­ tarian confection." brain at birth.