rik@ucla-cs.UUCP (04/20/85)
%A Daniel R. Jr. Vining %T The Growth of Core Regions in the Third World %J Scientific American %V 252 %N 4 %D April 1985 %P 42-49 %Z The explosive growth of these developed areas is creating intractable economic and social problems. %A Gregory E. Vink %A W. Jason Morgan %A Peter R. Vogt %T The Earth's Hot Spots %J Scientific American %V 252 %N 4 %D April 1985 %P 50-57 %Z These stationary, hot upwellings from the mantle play a key role in moving the earth's crustal plates. %A Yves Dunant %A Maurice Israel %T The Release of Acethylcholine %J Scientific American %V 252 %N 4 %D April 1985 %P 58-66 %Z Elegantly conducted experiments show how this major neurotransmitter conveys nerve impulses. %A Chris Quigg %T Elementary Particles and Forces %J Scientific American %V 252 %N 4 %D April 1985 %P 84-95 %Z All matter may consist of a few elementary particles that act on one another through four forces. %A Alex L. Shigo %T Compartmentalization of Decay in Trees %J Scientific American %V 252 %N 4 %D April 1985 %P 96-103 %Z A tree cannot flee from a danger or ward it off; it copes with infection or injury by encapsulation. %A Don Mathewson %T The Clouds of Magellan %J Scientific American %V 252 %N 4 %D April 1985 %P 106-114 %Z These two galaxies have a turbulent connection with each other and also with the Milky Way. %A Peter M. Winter %A John N. Miller %T Anesthesiology %J Scientific American %V 252 %N 4 %D April 1985 %P 124-131 %Z How do anesthetics work? Answers to that question bear on diving technology and drug addiction. %A W. Garrett Scaife %T The Parsons Steam Turbine %J Scientific American %V 252 %N 4 %D April 1985 %P 132-139 %Z Just as the steam engine reached its mechanical limits, the son of an Irish peer built a practical turbine.