rik@ucla-cs.UUCP (10/22/85)
%A John Cairns %T The Treatment Of Diseases and the War Against Cancer %J Scientific American %V 253 %N 5 %D November 1985 %P 51-59 %Z Failure to implement some obvious preventive measures undermines U.S. efforts to control cancer. %A P. Kevin MacKeown %A Trevor C. Weekes %T Cosmic Rays From Cygnus X-3 %J Scientific American %V 253 %N 5 %D November 1985 %P 60-69 %Z Where do cosmic rays come from? Transfer of energy and matter between binary stars generate them. %A Ernesto Carafoli %A John T. Penniston %T The Calcuim Signal %J Scientific American %V 253 %N 5 %D November 1985 %P 70-78 %Z It mediates a broad array of cellular functions. Protein pumps and other structures turn it on or off. %A David G. Howell %T Terranes %J Scientific American %V 253 %N 5 %D November 1985 %P 116-125 %Z A continent consists of an ancient core to which sea-floor spreading adds these additional pieces. %A Martin E. Feder %A Warren W. Burggren %T Skin Breathing in Vertebrates %J Scientific American %V 253 %N 5 %D November 1985 %P 126-142 %Z In many reptiles and amphgibians the skin does the work of lungs or gills; in some it replaces them. %A Mark Drela %A John S. Langford %T Human-Powered Flight %J Scientific American %V 253 %N 5 %D November 1985 %P 144-151 %Z Such aircraft are fun to design and fly; they also open to inquiry a little-understood flight regime. %A Robert McIvor %T Smart Cards %J Scientific American %V 253 %N 5 %D November 1985 %P 152-159 %Z Secure and versatile, such credit cards confront the engineer with challenging problems of design. %A Jean S. Aigner %T Early Arctic Settlements in North America %J Scientific American %V 253 %N 5 %D November 1985 %P 160-169 %Z Survival in the Arctic appears to have required a high degree of social and economic flexibility.